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Formulas
& Symbols
Working with Multiplication
Multiplication & Division
Working with Fractions
Properties
100

The operation that means split into equal groups.

Division

100

This model has rows and columns.

Area Model

100

One of two or more numbers multiplied to get a product.

factor

100

What word is used to describe the process of making fraction numbers smaller while keeping them equivalent?

simplify

100

This property of multiplication shows that changing the grouping of factors does not change the product.

(a * b) * c = a * (b * c)

Associative Property of Multiplication

200

With the correct hand and direction, make the "less than" symbol.

<

200

This model uses long rectangles to show multiplication of fractions.

fraction bar model

200

The result of multiplication.

product

200

a fraction with a numerator of 1

unit fraction

200

This property of multiplication shows that changing the order of factors does not change the product.

a * b = b * a

Commutative Property of Multiplication

300

With the correct hand and direction, make the "greater than" symbol.

>

300

These rectangles represent the greater amount and the lesser amount in a comparison situation.

comparison bars


300

The number that is divided in a division problem.

dividend

300

a fraction that has both a whole number and a fraction

mixed number

300

This property of multiplication over addition shows that multiplying a number by a sum gives the same result as multiplying the number by each addend and then adding the products.

4 X (2 + .75) = 4 x 2 + 4 x .75

Distributive Property of Multiplication Over Addition

400

In math this word is the process of using numbers and words to explain your thinking to try and prove you are right.

Reasoning

400

What is the formula for finding area?

A= L x W

400

The number you divide by in a division problem.

divisor

400

What is the total of 1/2 + 1/2?

1 whole

400

Write an example of the Associative Property of Multiplication

(a * b) * c = a * (b * c)

500

Give an example of a fraction that is a decimal fraction (a fraction with a denominator that is a power of 10).

1/100

500

What is the formula for finding volume?

V= L x W x H

500

The answer to a division problem.

quotient

500

In it's simplest form what is 3/2 + 3/2?

3

500

Using numbers or letters, write an example of the Commutative Property of Multiplication

a * b = b * a