Rounding
Area & Perimeter
Mental Math
Vocabulary
Measurement Conversions
100

Round the following number to the nearest hundred: 332

300

100

Find the area of a rectangle whose length is 5 meters and width is 9 meters.

45 meters2

100

212 x 4

448

100

The answer when two numbers are multiplied.

The product

100

How many centimeters are in a meter.

100

200

Round the following number to the nearest thousand: 15,555

16,000
200

Find the perimeter of a rectangle whose sides have a length of 5 meters and a width of 10 meters.

30 meters

200

862 divided by 2

431

200

An operation that is used to separate the number into equal sized groups.

Division

200

How many grams are in a kilogram.

1,000 grams

300

Round this number to the nearest hundred thousand: 85,000

100,000

300

Find the area of a rectangle that has a width of 7 and a length of 6 meters.

42 meters2

300

2000 x 100

200,000

300
An example of inverse operations.

Multiplication & Division OR Addition & Subtraction

300

Convert 4 meters to centimeters

300 centimeters

400

Round the following number to the nearest thousand:

452,399

452,000

400

Find the length of a rectangle whose width is 12 meters and whose area is 24 meters2

2 meters

400

2500 / 5

500

400

The number by which another number is divided.

Divisor

400

How many milliters of water you have if you have 3 liters?

3000 milliliters

500

Round this number to the nearest million: 7,499,999

7 million

500

Find the length of a rectangle whose width is 4 meters and perimeter is 20 meters

6 meters

500

6300 / 9

700

500

An arrangement of equal groups in rows and columns that can help you solve a multiplication problem

An ARRAY

500

How many kilometers is 10,000 meters.

10 kilometers