Math Attempt 3

#8 Mrs. Park asked her students to determine if the following mapping diagram represents a function. Which of the following would be an appropriate student response to show they have mastered the content? "No, the relation is not a function because there are a different number of x-values and "Yes, the relationship is a function because each input has exactly one output." "Yes, it is a function because every value in the range has at least one value from the domain mapped to it." "No, it is not a function because there are repeated y-values."

"Yes, the relationship is a function because each input has exactly one output."

Students are working on measurement principles. Kali measures a countertop in the classroom that is 5,743 mm long. Lauren finds that the distance on a map between New York City and Washington D.C. is drawn as 364.1 mm. How does the 3 in Kali's number compare to the 3 in Lauren's number? 1/100 1/10 100 10

1/100

A box contains 18 red marbles, 12 blue marbles, 17 green marbles, and 13 yellow marbles. What is the probability of randomly picking a blue marble from the box? 13/60 3/10 17/60 1/5

1/5

Mike's dad has a container with 23 quarters, 12 dimes, 7 nickels, and 18 pennies. He tells Mike to pick one coin at random from the container to keep. What is the probability the coin he picks is a dime? 4/5 1/5 3/10 1/12

1/5

Tia participates in marching band before school and plays volleyball after school. She arrived at school at 6:52am today and did not leave until 5:34pm. How many hours and minutes did she spend on the school campus? 11 hours 42 minutes 10 hours 42 minutes 10 hours 18 minutes 11 hours 18 minutes

10 hours 42 minutes

Mr. Salvador's after-school bird-watching club surveyed students in the school, asking them which were their favorite birds. The chart shows the results of the survey. If the survey results are representative of all the students in the school district, approximately how many of the 2,400 students in the district prefer either eagles or hawks? 48 100 820 1200

1200

A survey was taken of all 1,400 students at Ash Valley Elementary and ⅛ said that their favorite lunch menu item was spaghetti. Which of the following computations can be used to determine the number of students who claimed spaghetti as their top choice? 1400 × 12.5 1400 × 1.8 1400 × 0.125 1400 × 0.18

1400 × 0.125

Values of the linear function f are listed in the table. What is the value of f(85)? 16 17 15 14

16

A class is learning about proportions and ratios, so the teacher decides to use the data about students in the local high school. There are 500-600 students and 29 - 32% of the student body participates in athletics. Which of the following is the most reasonable estimate of the number of students who are considered athletes? 175 120 195 140

175

#18 Describe the transformation in the graph. 180° rotation translation: (x,y)→(x+1,y+4) dilation with a scale factor of 2 reflection across the x-axis

180° rotation

Students are measuring various objects around the classroom. A pencil measures 8 ⅜ inches while a pair of scissors measures 5 ½ inches. How much longer is the pencil than the pair of scissors? 3 ⅛ inches 2 ⅞ inches 3 ⅞ inches 2 ⅛ inches

2 ⅞ inches

Sixteen teachers placed a book order for books to be used in their classrooms. The bill, totaling $350, is to be shared equally. Which is the most appropriate representation for how much will each teacher pay?

21.88

Simplify the expression: 3(10)^2 3 30 300 900

300

The ages of workers in a company are listed below: 38, 42, 56, 56, 35, 72, 51, 46, 36 What is the mean of the ages? 37 48 56 46

48

The scores on a science quiz in Mrs. Kelly's class were 56, 72, 81, 95, 84, 77, and 95. What was the median of the scores? 95 81 80 39

81

#5 Which student improved their score the most from the midterm to the final exam? Drew Claire Kim Kevin

Drew

Mrs. Matthews is teaching her sixth-grade class about areas of regular geometric figures. How should she best introduce this topic to her students? Give students a list of formulas to determine area of figures. Give students pattern blocks to manipulate. Tell them the area of the smallest figure is one and ask them to determine the area of the larger figures. Ask students to draw pictures and then trace those figures onto graph paper to estimate the number of squares inside the figure. Take students to the gym and have them measure parts of the floor to determine area.

Give students pattern blocks to manipulate. Tell them the area of the smallest figure is one and ask them to determine the area of the larger figures.

A teacher of students from various socioeconomic backgrounds is teaching financial literacy. Which of the following strategies is best for reaching all of the students in the class? Have students create a budget based on their family's income. Use rigorous financial vocabulary to ensure depth and complexity in the lesson. Have students create budgets using different, randomized income levels and share their information with the class. Ask students what financial topics they need or want to learn about as a guide for lesson planning.

Have students create budgets using different, randomized income levels and share their information with the class.

Mr. Romeo wants his students to understand that math is very important and used in the real world all the time. He wants them to understand that math is used outside of school on a regular basis. Which of the following is the best way to have students learn about this? Have students teach their younger siblings to use math to solve problems. Have students read a book about famous mathematicians. Have students interview two adults about how they use math in their everyday life. Have students do a hands-on project that uses math.

Have students interview two adults about how they use math in their everyday life.

In Ms. Suzi's math class, she asks the students to look at the following pattern and find the next three terms. 1,2,4,5,7,8,10,11,13,...1,2,4,5,7,8,10,11,13,... What type of thinking are the students using to solve this problem? Abductive reasoning Inductive reasoning Deductive reasoning Critical thinking

Inductive reasoning

Mrs. Johnson lets her students choose between two different word problems: Problem A: If you are digging for dinosaurs and need to fence off your dig site, what's the biggest site you can fence off with 40 ft. of fence? Problem B: What is the largest area you can create with 20 inches of rope? Mrs. Johnson finds a significant majority of her students chose to work Problem A. Which of the following is the most likely reason more students chose Problem A instead of Problem B? Problem B is harder than Problem A. Problem B is less interesting than Problem A. Problem A requires a lower mathematical knowledge. Students who work Problem A get a greater reward from Mrs. Johnson than students who work Problem B.

Problem B is less interesting than Problem A.

In which of the following activities would students demonstrate the use of mathematical terminology as a precise means of expressing mathematical ideas? Students complete a pretest before starting a new lesson on common denominators. Students explore how geometric concepts can be used in different careers. Students identify various parts of mixed fractions. Students practice drawing a graph from a table of data.

Students identify various parts of mixed fractions.

Which of the following is not an equivalent form of the mathematical expression 7(x^3−4)? Seven times the difference of a number cubed and four. Seven times four less than a number cubed. The difference of 4 and a number cubed times seven. The product of a number cubed decreased by 4 and seven.

The difference of 4 and a number cubed times seven.

The student is expected to determine the value of a collection of coins and bills. Which of the following is an example of a clear learning goal for the Texas Essential Knowledge and Skills (TEKS) skill stated above? The learner will use coins to show amounts equivalent to $1.00. The learner will explain the amount of change they will receive after a purchase at a store. The learner will understand and explain the total amount of money they have when given money manipulatives. The learner will identify the name and value of coins when given money manipulatives.

The learner will understand and explain the total amount of money they have when given money manipulatives.

#40 Which of the following statements can be inferred from the graph? Select all answers that apply. The precipitation in Springfield more than tripled from 2009 to 2010. The city with the most rainfall over three years had more than 160 inches of precipitation. The population of Willow is the largest. The year with the most precipitation was 2010. Valley Springs had the greatest range of precipitation over three years.

The precipitation in Springfield more than tripled from 2009 to 2010. The city with the most rainfall over three years had more than 160 inches of precipitation. The year with the most precipitation was 2010.

Which of the following is NOT a characteristic of formative assessments? They are usually administered several times throughout the course of a unit. They are often administered during learning activities. They measure student learning at the end of a semester. They provide the teacher with feedback for modifying instruction.

They measure student learning at the end of a semester.

A third-grade teacher is working on multiplying one-digit numbers with a small group of students and plans to have the students solve three different multiplication problems. Which of the following would be the best way for the teacher to promote mathematical reasoning skills while working with the small group? asking students to solve one problem using two different strategies of their choice and then having each student explain their reasoning to other students in the group assisting students in creating a word problem to match each of the three multiplication problems having students solve each problem using a different method: one with a number line, one with a picture, and one with repeated addition leading a group discussion to compare multiplication with division

asking students to solve one problem using two different strategies of their choice and then having each student explain their reasoning to other students in the group

Jamie needs to measure the diagonal of his computer screen for a project he is working on. What is an appropriate unit of measure he could use? centimeters grams kilometers yards

centimeters

To encourage all students to learn math, a teacher should: avoid showing favoritism by refraining from building relationships with students. ensure that all students approach problem-solving in the same way. emphasize only similarities by not mentioning the diversity and cultural differences among students. communicate respect for all cultures represented in the classroom.

communicate respect for all cultures represented in the classroom.

#12 split the groups evenly even if one month has more than others write the results on the board so students can see them walk around and observe groups while they are working create an example of a bar graph on the board with appropriate scale

create an example of a bar graph on the board with appropriate scale

#13 walk around during the activity and observe the students progress. have groups swap graphs to grade them. have the students bring their graph to the board to check it against her example. give each group a 2-minute warning before they have to present.

have the students bring their graph to the board to check it against her example.

Diaz has a company car that allows him to drive up to 1,500 miles each month. He averages 28 miles each day. The remaining miles for this month can be calculated using the formula m = 1500 - 28d where m is the remaining miles and d is the is the number of days driven this month. Which of the following statements is true? m is the independent variable because the number of miles remaining is the solution to the problem. Variables cannot be determined for a linear equation. m is the dependent variable because the number of miles remaining is dependent on the number of days driven d. d is the dependent variable because the miles driven depends on the number of days.

m is the dependent variable because the number of miles remaining is dependent on the number of days driven d.

#36 If a salesman wants to give the impression that his monthly sales are high, which measure of data should he report at the end of the first 6 months? mode range median mean

mean

A kindergarten teacher is planning a unit on financial literacy. What are some elements that the teacher should plan to include in this unit? money models (pretend money), children's books, guest speakers at-home projects, independent work, money-counting activities student-created savings plans, class reward system, show-and-tell posters, worksheets, videos

money models (pretend money), children's books, guest speakers

#31 A second-grade teacher gives her 22 students a pre-quiz on regrouping. She plans to use the results of this quiz to tailor her instruction for the upcoming unit. The results of this pre-quiz show that during the upcoming unit the teacher should focus on: triple-digit addition with regrouping. double-digit minus single digit practice problems. regrouping when a smaller number is in front. regrouping in double-digit subtraction.

regrouping in double-digit subtraction.

A student-athlete can run 10 yards in 6 seconds. Which equation shows the number of yards that can be run in s seconds? s/0.6 6s 0.6/s 0.6s

s/0.6

Effective differentiated instruction occurs when, depending on each student's abilities: students are required to perform at differing levels of Bloom's taxonomy. students receive different levels of scaffolding on assignments. students complete the same assignments on their own and turn them in for a grade. students are expected to master only some of the mathematics competencies.

students receive different levels of scaffolding on assignments.

#4 the relationship of the measures of the sides to the angles at their endpoints the sum of the measures of the interior angles the number of right angles that a quadrilateral may have the congruence postulates and theorems

the sum of the measures of the interior angles

A teacher plans a three-part learning exercise for her students: Students use a balance to learn about mathematical equivalence. When the same number of tokens are added or removed from each side, the balance remains level. Students practice similar problems with pictures of tokens and a balance. Students see algebraic representations of the form: x+6−6=10x+6−6=10. The teacher most likely planned this activity to accomplish which of the following goals? to use mathematics to model and solve problems in other disciplines to demonstrate the use of formative and summative assessments to use mathematical terminology as a precise way to express mathematical ideas to provide instruction along a continuum from concrete to abstract

to provide instruction along a continuum from concrete to abstract

What is x in terms of y for the equation: 74 - 6x = 9y x = 6(9y -74) x = (9y -74) ÷ 6 x = (9y -74) ÷ -6 x = -6(9y -74)

x = (9y -74) ÷ -6