Chapter 6 Math Review

Rounding

100

Round to the closest benchmark

2 1/16

2

200

Round to the closest benchmark.

4 3/6

4 1/2

300

Round to the closest benchmarks and solve.

4 5/12 + 1 5/6

6 1/2

400

Round to the closest benchmarks and solve.

1 2/8 - 4/10

1 - 1/2 = 1/2

500

Round to the closest benchmark and solve.

3 9/16 - 2 3/5

1

Common Denominators

100

Find a common denominator for these fractions.

7/8 and 2/6

24

200

The the least common denominator for these fractions.

2/7 and 3/5

35

300

Find the least common denominator for these fractions. Then solve.

6/12 + 1/8

24 ; 15/24

400

Find the least common denominator. Then solve.

1 3/4 - 2/5

20 ; 7/20

500

Find the least common denominator. Then solve.

5 2/3 - 2 5/8 

24 ; 3/24

Word Problems

100

Henry bought 1/4 pound of screws and 2/5 pound of nails to build a skateboard ramp. What is the total weight of the screws and nails?

13/20 pound

200

Jennifer had a 7/8 foot board. She cut off a 1/4 piece that was for a project. In feet, how much of the board was left?

5/8 foot

300

Lyle bought 3/8 pound of red grapes and 5/12 pound of green grapes. How many pounds of grapes did he buy?

19/24 pound

400

Kaylin mixed two liquids for a science experiment. One container held 7/8 cup and the other held 9/10 cup. What is the total amount of the mixture?

1 31/40 cups

500

The 12 members in Dante's hiking club shared 176 ounces of trail mix equally. How many ounces of trail mix did each member recieve?

14 2/3 ounces

Properties

100

Give me an example of the associative property using fractions.

(1/3 + 1/8) + 3/8 = 1/3 + (1/8 + 3/8)

200

Give me an example of the Commutative property using fractions.

Example: 1/6 + 2/6 = 2/6 + 1/6

300

Tell which property you used to solve this. 

1/7 + ( 7/12 + 5/7) = 1/7 + (5/7 + 7/12)

Commutative Property

400

Tell which property you used to solve this. 

(7/10 + 1/3) + 1/10 = (1/3 + 7/10) + 1/10

Commutative 

500

Tell which property you used to solve this. 

(4/9 + 6 2/5) + 3 2/9 = 6 2/5 + (4/9 + 3 2/9)

Both

Adding/Subtracting Fractions and Mixed Numbers

100

7/8 + 1/3

1 5/24

200

2 5/8 - 1 1/4

1 3/8

300

2 5/8 - 1 1/4

1 3/8

400

1 5/12 + 4 1/6

5 7/12

500

4 7/12 - 1 2/9

3 13/36

Rules/Sequences

100

What is the rule to this sequence?

1/6 , 1/2, 5/6, 1 1/6, 1 1/2

Add 1/3 each time

200

What is the rule for this sequence?

1/4, 1/2, 3/4

Add 1/4

300

What is the rule for this sequence?

1 1/12, 5/6, 7/12, 1/3, 1/12

Subtract 3/12 (or 1/4)

400

What is the rule for this sequence?  Then find the missing term.

3/10, 2/5, ____, 3/5, 7/10

Add 1/10 5/10 or 1/2

500

Find the first four terms. 

Rule: Start at 3/8, add 3/16

3/8, 9/16, 3/4, 15/16