Multiply It
Math Vocab
Math Strategies
Divide It
Math Rules
100

14 x 16

224

100

This is the type of estimate we get when we round the factors up.

Overestimate

100

When we line up the place values and multiply the numbers by each place value, this is called the ___.

Standard algorithm

100

40/5

8

100

When subtracting, which number has to go on top, the smaller or larger number?

Larger

200

297 x 5

1485

200

This is the type of estimate we get when we round the factors down.

Underestimate

200

When we draw boxes to represent multiplying both factors by each place value and then add them together, we are using ___.

The area model

200

36/9

4
200

When rounding, it is important to make sure you are rounding the correct ___.

digit/place value

300

53 x 29

1537

300

These are products within a math equation that add up to the final product.

Partial products

300

When we want to make sure our estimate isn't too high, we use an ___.

Underestimate

300
63/7

9

300

Anything multiplied by 0 results in a product of ___.

0

400

603 x 22

13266

400

This is what we call a value in a math problem that we do not know yet; we represent this value with a letter (x,y,z etc.)

Variable

400

When we want to make sure our estimate isn't too low, we use an ___.

Overestimate

400

270/9

30

400

You can use multiplication to combine equal groups because multiplication is another way of doing ___.

repeated addition

500

46 x 386

17756

500

This is the ability to analyze, evaluate, and interpret information to form a well-reasoned judgment.

Critical thinking

500

This is the multiplication strategy that involves separating each number in the factor and multiplying it one by one by the other factor and adding up the answers at the end.

Partial products

500

5/20

0.25 or 1/4

500

You can use division to separate equal groups because division is another way of doing ___.

repeated subtraction