MyMath Ch. 8 Vocabulary Review

MyMath Ch. 8 Vocabulary Review

Objective

• Students will be able to answer questions that use math vocabulary words.

operations

the 4 mathematical processes

Multiple Select

What are the 4 operations? Pick 4 answers!

• addition

• cars

• subtraction

• multiplication

• division

inverse operations

operations that undo each other

Addition <--> Subtraction

Multiplication <--> Division

Multiple Choice

The inverse operation of addition (+) is _______________.

• subtraction (-)

• multiplication (x)

• division (÷)

Multiple Choice

The inverse operation of multiplication (x) is _______________.

• addition (+)

• subtraction (-)

• division (÷)

related fact

basic facts using the same numbers

Multiple Select

Pick two related facts for 4, 6, 24.

• $4\ \times\ 6\ =\ 24$

• $5\times7=35$

• $24\ \div\ 6\ =\ 4$

• $8\ \div\ 2\ =\ 4$

known fact

a fact that you have memorized

Open Ended

What is a known fact that you know? It can be addition, subtraction, multiplication, or division!

multiplication sentence

a number sentence with the X sign.

Fill in the Blanks

What symbol do you need to put to complete the multiplication sentence?

5

7 = 35

factor

the two numbers you multiply together in a multiplication sentence

Multiple Select

What are the two factors in this multiplication sentence? Pick two answers!

4 X 9 = 36

• 4

• 9

• 36

product

the answer to a multiplication problem

Open Ended

The product in this multiplication sentence is ____.

6 X 8 = 48

division sentence

a number sentence with the  $\div$   sign.

Multiple Choice

What symbol do you need to put to complete the division sentence?

• +

• -

• X

• ÷

quotient

the answer to a division problem

Fill in the Blanks

 $42\ \div\ 7\ =\ 6$  

What is the quotient in this problem?

array

objects or symbols displayed in equal rows and equal columns

Multiple Select

Pick all the examples of arrays!

Commutative Property

states that the order that you multiply two numbers doesn't change the product

Open Ended

Use the Commutative Property to help you write a related multiplication fact of 9 X 3 = 27

decompose

to break apart or separate into parts

Multiple Choice

You can decompose 9 into ___+ ___.

• 3 + 3

• 5 + 4