Math Review

Ratios

100

There are 5 fish and 3 turtles in a pond. Give the ratio of turtles to all animals.

3:5

200

Mrs. Spence planted 12 tomato plants and 4 bean plants. What is the ratio of bean plants to tomato plants?

4:12

1:3

300

There are 7 crabs, 10 fish, and 4 lobsters in a tank. Give the ratio of lobsters to all animals in the tank.

4:21

400

Jordyn paid $6.00 for 3 oranges. How much did each orange cost?

$2.00

500

In choir class, there are 3 boys for every 7 girls. If there are 50 students in the classroom, how many students are boys?

35

Factors

100

Find the GCF of 12 and 18

6

200

Find the LCM of 8 and 12

24

300

Garv baked 30 oatmeal cookies and 48 chocolate chip cookies to package in plastic containers for her friends at school. He wants to divide the cookies into identical containers so that each container has the same number of each kind of cookie. If he wants each container to have the greatest number of cookies possible, how many plastic containers does she need?

6

400

Boxes that are 12 inches tall are being stacked next to boxes that are 18 inches tall. What is the shortest height at which the two stacks will be the same height?

36

500

Emma has swimming lessons every fifth day and diving lessons every third day. If she had a swimming lesson and a diving lesson on May 5, when will be the next date on which she has both swimming and diving lessons?

May 20th

Area

100

Name the formula for a triangle.

base x height / 2

200

Name the formula for the area of a trapezoid.

base1 + base2 x height / 2

300

A parallelogram has a base of 12 inches and a height of 7.4. What is the area of the figure?

88.8 inches squared

400

Find the area of the trapezoid with these dimensions.

Base 1 = 4.3

Base 2 = 5.4

Height = 4

19.4

500

Mrs. Spence wanted to make her fence in the shape of a triangle. She wanted her base to be 21 feet and her height to be 32 feet. The other side of the triangle is 64 feet. Find the area of Mrs. Spence's yard. Find the perimeter of the fence.

Area = 336 feet squared

Perimeter = 117 feet

Decimals

100

The apple weighed 1.934 pounds. What place value is the 4 in?

Thousandths

200

Madi and Jeremiah went to the store and bought two different cookies. Madi's cost $1.59 and Jeremiah's cost $2.32. What is the total amount of money they spent?

$3.91

300

Kaitlyn went to Mcdonald's and bought a burger and fries. The total cost of the meal was $7.89 cents. She paid with a $10 bill. How much change did she receive?

$2.11

400

Find the product of 4.32 and 23.45.

101.304

500

12 apples cost $1.50 each. 6 pears cost $1.75 each. How much did you spend on the fruit? If you paid with a $50 bill, how much change did you receive?

$21.50

Order of Operations

100

Solve using PEMDAS: 35 + 25 - (2 x 5)

40

200

34 - 16 / 4 - 13

17

300

8 / 8 x 2 + (15 / 3)

7

400

100 - (7 + 7 x 7)

13

500

5.5 x 2.2 + 3 (4 - 2.3)

16.8