Beginning Algebraic Thinking

What unknown number makes this equation true?

6x4 = ?

• 20

• 24

• 10

• 2

Tags

CCSS.3.OA.A.4

What unknown number makes this equation true? 8x5 = ?

• 45

• 13

• 40

• 3

Tags

CCSS.3.OA.A.4

Enter the unknown number that makes this equation true.

8x8 = ?

• 64

• 16

• 46

• 56

Tags

CCSS.2.OA.C.3

Olivia ate 5 blueberries each day. Yummy! She ate blueberries for 2 days. Which could be used to find "b", the number of blueberries Olivia ate?

• 2 x 5 = b

• 5 ÷ 2 = b

• 5 - 2 = b

• 2 + 5 = b

Tags

CCSS.3.OA.A.3

a mathematical phrase with numbers, variables, and operators

Answer: ​ (a)  

• associative property

• commutative property

• composite

• distributive property

• equation

• equivalent

• expression

• identity property

• prime

• prime factorization

Tags

CCSS.6.EE.A.2B

What does 2x mean?

• 2 + x

• 2 - x

• 2 times x

• 2 divided by x

Tags

CCSS.6.EE.A.2A

"8x" means....

• 8 times x

• 8 plus x

• 8 divided by x

Tags

CCSS.6.EE.A.2A

Which number correctly fills in the blank? 54 = _____ x 9

• 8

• 7

• 6

• 5

Tags

CCSS.3.OA.A.4

Which number makes this true? 
8 x ∆ = 24

• 3

• 4

• 5

• 6

Tags

CCSS.3.OA.A.4

If 4 x 30 = 120, then what is 30 x 4?

• 120

• 43

• 34

• 12

Tags

CCSS.3.OA.B.5