Math basics review

Dividing fractions

100

3 divided by 1/6

18

200

1 4/5 divided by 1/5

9

300

Kris has 2 3/8 pizzas leftover that he wants to give to a group of his friends that are coming over for dinner. He wants to give each friend 1/8 of a pizza. How many friends can he feed if they eat all of the pizza?

19

400

Samuel is planting marigold seeds in his garden. His garden is 2 1/2 feet long and he wants to plant seeds every 5/8 foot. How many seeds can he plant?

4

500

The area of Albert’s rectangular rug is 5/2 square yards. The width of the rug is 2/3 yard. What is the length?

3.5 yards

Multiplying decimals

100

3.2 x 6.7

21.44

200

6.12 x .69

4.2228

300

10.82 x 8.0

86.56

400

3.98 x 1.25

4.975

500

56.71 x 3.21

182.0391

?

100

30/120=90/x

360

200

x/10=20/200

x=1

300

5 divided by 2/10

25

400

What is the difference between area, perimeter, and volume?

TBD

500

25/35=X/175

X=125

Solving for the variable

100

x+13=36

23

200

x/10=90

x=100

300

12x=1440

120

400

120/x=3

x=40

500

18x=198

11

Ratios

100

For every 2 minutes Kevin drove, he traveled 5 miles. At this speed, how many miles would he drive in one minute?

2.5 miles

200

Mason and Laney ran miles to train for the long-distance running team. The ratio of the number of miles Mason ran to the number of miles Laney ran was 4 to 3. If Laney ran 12 miles, how far did Mason run?

16 miles

300

4 : 3 = 20 : x

15

400

Mrs. Kurtz is baking pies. For every 2 cups of flour, she uses 3 cups of sugar. How many cups of sugar will she need if she uses 28 cups of flour?

42 cups of sugar

500

In a bag of mixed walnuts and cashews, the ratio of number of walnuts to number of cashews is 5:6. There are 120 cashews in the bag. Dominique thinks that there are 144 walnuts in the bag. Is she correct? How do you know?

No, she is wrong. There are only about 100 walnuts in the bag.