Unit 7 Math Review

Fractions

Estimate whether the sum is closer to

0, 1/2, or 1?

2/6 + 1/6

Answer1/2

Because 2/6 + 1/6 = 3/6 which is equal to

1/2

Write 3/10 as a decimal

Answer

0.3 or 0.30

Write 0.9 as a fraction

Answer

9/10

What is 4/5 of 50?

Answer

40

What is 1/10 of 90?

9

What is 1/3 of 24?

8

What is 3/4 of 16?

12

Draw a rectangle. Shade ¼ of it.

Answer

Write two equivalent

fractions for: A. 1/4B. 1/6C. 3/5D. 2/3

AnswersA. 2/8 & 3/12B. 2/12 & 10/60C. 9/15 & 12/20D. 4/6 & 6/9

Answers may vary.

Compare. Write >, <, or =9/3 _ 9/5

Answer

9/3 >9/5

Compare. Write >, <, or =

18/19_ 9/19

Answer

18/19 > 9/19

<,>, or = ?4/5 and 8/10

4/5 = 8/10They are equivalent

fractions.

<,>, or = ?4/8 or 8/9

4/8 < 8/9

Because 4/8 is the same as 1/2 and 8/9 is almost 9/9 which is one whole.

<,>, or = ?2/5 or 2/7

2/5 > 2/7Because 2/5 is broken into

larger pieces than 2/7

Write the sets of fractions in order from smallest to

largest

1/11, 1/4, 1/8, 1/6, 1/9

1/11, 1/9, 1/8, 1/6, 1/4

Order from smallest to largest.

1/8, 2/8, 4/8, 5/8, 7/8

5/8, 1/8, 2/8, 7/8, 4/8

Look at the figure below

A.What fraction of the given shape is 1 square? 2 squares?

B.What fraction of the shape does the rectangle cover?

Answers

A. 1/4, 2/4 or 1/2 B. 1/2

Lauren had 10 quarters. She spent 4/5 of them on

video games.

A. How much money did she spend?

B. How much money does she have left?

Answers

A. $2.00B. $0.50

Divide a spinner so that a paper clip will land on Red about 1/6 of the time and on Blue about 2/3 of the time. The remaining part of the

spinner represents Yellow.

Red

Blue

Blue

Blue

BlueYellow

Red

Blue

Blue

Blue

BlueYellow

What part of the whole does the yellow represent?

1/6

A. If you spin the paperclip 30 times, predict how many times the paper clip might land in a particular color.

Color # of times clip landed

Fraction of times

RedBlueYellow

Color # of times clip landed

Fraction of times

Red 5 1/6Blue 20 4/6 or

2/3Yellow 5 1/6

Add1/4 + 2/4 =

1/ 4 + 2/4 = 3/4

Subtract12/11 - 6/11 =

12/11 - 6/11 = 6/11

Add1/6 + 1/3

1/6 + 1/3=1/6 + 2/6 = 3/6 or 1/2

Hint: When adding fractions with different denominators, be sure to convert to a common denominator before adding.

Subtract:7/8 - 1/4 =

7/8 - 1/4 =7/8 - 2/8 =

5/8

Hint: When subtracting fractions with different denominators, convert the

fractions to a common denominator before subtracting.