MATH
More Conversion
Denominator X Whole + Numerator ---------------------- Denominator 2 1/3 3x2=6+1=7=7/3 3 2/3 3x3=9+2=11/3
Conversion
First change mixed fractions to improper 2 1/3=3/3+3/3+1/3 =7/3
We are learning how to convert decimals to fractions and fractions to decimals
Fraction➡️Decimal -------------------- (Divide top by bottom) Decimal➡️Fraction -------------------- (Number of digits after the decimal determines the denominator) Power of ten --> 0.3-->3/10
We are learning how to divide fractions with models
Sharing 4/8➗2 | Determines number line, How long each section
Divide. 3 1/3➗2 1/2 Is it... a.1 1/3 b.8 1/3 c.3/4 d.1 1/5
The answer is a. 1 1/3
Explain how you can use a number line to find this quotient. 5➗1/4
You take 5 wholes on the number line and divide them into 1/4's then you highlight 5 1/4's which equals 1 1/4
Divide 2 1/2➗1/9
22 1/2
Subtract and write the answer in simplest form. 6/7-1/5
23/35
8/5-2/3=
24/15-10/15= 14/15
Use the digits 1,2,3 to make the greatest mixed number and the least mixed number. Then find the sum of the 2 mixed numbers.
3 1/2+1 2/3 =3 3/6+1 4/6 =4 7/6 =5 1/6
Last Wednesday it snowed 3 1/3cm. On Sunday it snowed 2 1/5cm. On which day did it snow more? By how many centimetres?
3 1/3-2 1/5 =3 5/15-2 3/15=1 2/15 It snowed 1 2/15cm more o Wednesday than Sunday
Multiply. 4/5x3/8
3/10
Write as many proper fractions as you can using the digits 3,5,7 and 11. List those fractions that are less than 1/2 and order them from least to greatest
3/5 3/7 3/11 5/7 5/11 7/11 Least to greatest 3/11 3/7 5/11 (1/2) 3/5 5/7 7/11
Order these fractions from least to greatest. 13/16, 31/80, 11/20 (Hint-make equivalent fractions)
31/80<11/20<13/16
Which fraction is greater 5/14 or 15/42?
5/14=15/42
Multiply. 31/5x2 1/3
7 7/15
We are learning the concept of a fraction
=2/3 2 is the numerator -------------------- 3 is the denominator 2/3-Proper fraction 3/2-Improper fraction 1 2/3- Mixed fraction CHANGE MIXED TO IMPROPER! 1+2 x — 3
7/4-3/5=
=35/20-12/20= 1 15/20-12/20 =1 3/20
17/10-5/6
=51/30-25/30 =26/30 REDUCE TO 13/15
We are learning how to multiply fractions using models
-Look at your denominators to draw your rectangle 1/2x2/3 ⬛️⬛️ (2x3) ⬜️⬜️ ⬜️⬜️ -Numerators tell you how many squares to colour -Answer, Double shaded --------------- Total squares
We are learning how to add fractions with different denominations
-when denominators are different find a common one (factor tree) -Set up equivalent fractions -Add top numbers -Change improper to mixed AND REDUCE
1 1/12+12 1/3
Make equivalent fractions. x4 ______ / \ 1/3 4/12 \ ______ / x4 1 1/12+ 12 4/12 =13 5/12
Write 34/18 as a mixed number. Is it... a.8/9 b.16 9/17 c.1 1/8 d.1 8/9
The answer is d. 1 8/9
Subtract and write the answer in simplest form. 4 1/2-1 5/8 is it... a.2 3/5 b.2 3/4 c.2 7/8 d.3 2/3
The answer is d. 3 2/3
Convert mixed to improper a.2 2/9 b.4 3/7
The answers are... A= 20/9 B=31/7
Reducing improper fractions to their lowest terms then convert any improper it mixed fractions a.78/21 b.21/18
The answers are... A=26/7=3 5/7 B=7/6=1 1/6
Write each decimal using bar notation. a.0.3434 343... b.0.777 777... c.0.166 666... d.0.361 361...
The answers are... — a.0.34 — b.0.7 — c.0.166 —- d.0.361
Write as decimals a. 4/5 b. 3/25 c.5/27 d.2 5/16
The answers are... a.0.8 b.0.12 c.0.18518519 d.2.3125
Types of fractions
3/4=Proper 7/2=Improper 3 2/3=Mixed
We are learning how to multiply fractions
-Cross reduce -Multiply numerators -Multiply denominators -Change mixed to improper -when multiplying whole numbers put them over 1 (9/1)
-Demonstrate an understanding of equivalent fractions -To practice methods on how to reduce fractions to simplest form.
-Equivalent Fractions ---------------------- ➡️different fractions that represent the same amount -Reducing Fractions --------------------- ➡️what is the biggest number that can go into both the top and bottom ➗7 _____ /. \ 7 3 — — 21 7 \_____/ ➗7
Divide. 1/5➗6/25 Is it... a.6/125 b.6/5 c. 5/6 d.125/6
The answer is c. 5/6
Add and write the sum in simplest form. 5 1/2+5 3/6. Is it... a.10 1/2 b.11 c.10 1/3 d.10 1/3
The answer is b. 11
Write 72/84 in simplest form. Is it... a.7/8 b.6/7 c.12/14 d.5/6
The answer is b. 6/7
