Mental Math
Math Vocabulary
100

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how would you read this array?

What 3 groups of 5?

What is 15?

What is 3 times 5?

100

An arrangement of objects, pictures, or numbers in columns and rows.

What is an array?

200

10 times ____ = 0

What is zero?

200

a number or quantity that when multiplied with another produces a given number or expression.

What is a factor?

300

the number that makes these two statements true:

6 x ___= 30

30 divided by 6= 

What is 5?

300

lenth plus length plus width plus width=

What is perimeter?

400

3 + (4 x 4)

What is 19?

400

two-dimensional closed figure made up of straight lines.

What is a polygon?

500

solve:

(7 x 7) + (1 X 10) =

What is 59?

500

length times width

What is area?