Math Review

Fractions & Decimals

100

Write 56/100 as a decimal

0.56

200

Write 6.79 as a fraction

679/100

300

Make the fraction into a decimal 6 3/10

6.3

400

Solve 5 6/14 + 4/14

5 10/14 OR 5 5/7

500

Simplify 18/48

3/8

Area & Perimeter

100

How do you find area of a rectangle?

A=length X width

200

How do you find perimeter for a rectangle?

P=2 X (length X width)

300

If a rectangle has a length of 12cm and a width of 5cm, what is the area of the rectangle?

60cm²

400

If a rectangle has a length of 12cm and a width of 5cm, what is the perimeter of the rectangle?

120cm

500

If the length of a rectangle is 10inches and the width is 4inches, what is the area of the rectangle?

40inches²

Subtraction

100

Mrs. Kaylor wants to buy a used car for $7,659. She has already made 4 payments of $580 each. How much money does she still owe?

$5,339

200

Solve

 5,000-854

4,146

300

Clare goes to the grocery store and spend $31.79 on snacks. She pays with a fifty dollar bill. What will her change be?

$18.21

400

Jimmy left class at 1:55pm to use the bathroom. He returned to class at 2:05pm. How long was Jimmy in the bathroom?

10 minutes

500

Solve. 9,734 - 514

9,220

Angles and Rounding

100

What degree is a right angle?

90^o

200

If an angle is 70^o, what is it considered? Acute, Right, or Obtuse angle.

Acute

300

Round to the nearest thousands. 2,643

3,000

400

Round to the nearest whole number. 

8.981

9

500

If I want to round 745,608 to the nearest ten thousand, what number would I look at to round? What is its value?

You would look at the 5 which holds a value of 5,000.

Mystery

100

Find the product. 6 X 8,000

48,000

200

124 divided by 4

31

300

Write 4,925 in expanded form

4,000+900+20+5

400

Write the next 4 numbers in the pattern. 

Rule: Add 4

5,_,_,_,_

9,13, 17,21

500

List all factors of 24

1,2,3,4,6,8,12,24