Math K-6 (1-30)

which of the following illustrates the associative property of addition?

(a+b)+c=a+ (b+c)

simplify the following 96/ 4 squared + (4x2) -15-3

-4

A jar contains five more quarters than dimes. If it contains a Total of $2.30, which of the following equations can be used to determine the number of quarters in the jar?

0.10x + 0.25 (x+5) =2.30

The entire figure represents one unit. the shaded portion of the figure illustrates which of the following? (this is a 10x10 grid with 3 vertical by 4 horizontal squares shaded)

0.12

Simplify the following: 90-60-30+10

10

which of the following expressions is the correct way to use exponents to write one hundred thousand?

10^5

find the LCM of 8, 15, and 60

120

A student working as a sales clerk at a local store earns $12 per hour and 3% commission of all sales made. If the student works for h hours and makes s dollars of sales, which of the following expressions represents the total amount of money the student earns?

12h+ 0.03s

which of the following expressions has the greatest value?

2.0/0.6

simplify 4+3 (5-2)+ 3x2 squared

25

A student ran an average of six miles per hour for 30 minutes. How many miles did he run?

3 miles

find the greatest common factor of 34, 102, 170

34

A circle inscribed in a square has a radius of three units. what is the area of the square?

36

which of the following expressions gives the solution to the statement below? a recipe for making 2 dozen cookies requires 3/4 cup of sugar. to make six dozen cookies, how much sugar is needed?

3x 3/4

a student starts walking on a large grid at the point (5, -1) and moves in a vertical direction exactly 5 units up. at what point will the student be five units above the starting point?

5,4

The following amounts are the weekly wages of 7 employees of a company. 180 240 360 714 300 250 Determine the range of the wages:

534

a recipe for 24 oz hamburgers will make 8oz of chili. How many ounces of hamburgers will be needed to make 28 servings of chili?

84

The following is a study solution method 18x3 18+2 > 20x3 > 60 2x3=6 60-6=54 What method did the student use to solve the x problem?

Compensation

A teacher wrote the following problem on the board for her students to analyze 3(2x-5)-6(x-2) 6x-15-6x+12 The teacher then reminds the students that the first step to take is to remember that parenthesis involves which of the following properties?

Distributive

A 2nd grade class is solving the expression 53+27. A teacher is reviewing a students work and sees the following: strategy one: 53+27= (50+20) + (3+7)= 70+ 10= 80 strategy two: 53+ 27= (53-3) + (27+3)= 50 +30= 80 Which component of math fluency has the student displayed in her work?

Flexibility

Which of the following structures experiences would promote students' understanding of place value?

Students gather a large number of objects and count by making groups of ten

an elementary school is collecting soda cans to raise money for a school project. the students collected 23 cans the first week. in the second week, they collected 42 more cans than the first week...

chart c is the correct answer

A student used centimeter grid paper to draw an array. then the student drew the same array rotated 90 degrees as shown. What property is being illustrated by the arrays on the grid?

commutative property of multiplication

The number of loaves of bread sold is inversely related to the cost of a loaf of bread. if cost doubles, the number of loaves of bread sold will...

drop by half

Which of the following is the least effective strategy to develop conceptual undertanding of multiplication?

memorizing

Which of the following figures is an obtuse triangle?

pics shown

a student used a compensation strategy to successfully compute 500-203. the students strategy took the given numbers into account. which of the following most likely describes what the student did first?

rounding 203 to 200 before subtracting

A child calculated a subtraction problem incorrectly and arrives at the following answer. Which of these statements is the most valid assessment of this error? 782 -146 544

the student does not have mastery of the basic subtraction facts

to add 48 and 35, a student rounds 48 up to 50. the student knows that 50+35=85. the student then subtracted 2 from 85, arriving at an answer of 83. which of the following best describes the students strategy

the student used a correct compensation strategy

which of the following sets of numbers is ordered from L TO G?

three negative two, 0.3, 33%, 1/3