Unit 8

What is 84 in expanded form?

• 8+4

• 80+4

• 80 4

• 84

What is 60 +5 in word form?

• Five

• Sixty

• Thirty five

• Sixty five

What is the number below in standard form?

Forty-two

• 52

• 62

• 42

• 2

Stacy started making a model for the number 67.

Select the amount needed to complete her model.

• 1 rod + 2 unit cubes

• 2 rods

• 2 rods + 5 unit cubes

• 1 rod + 1 unit cube

Which equation is false?

• 15= 2 tens + 5 ones

• 7 tens + 2 ones= 72

• 17= 1 ten + 7 ones

• 8 ones + 6 tens=68

Which phrase describes the model?

• 2 groups of 10

• 1 group of 10 and 12 more

• 2 groups of 10 and 1 more

• 3 groups of 10 and 2 more

Select the base 10 model that represents 84.

• 
• 
• 
• 

Sara wrote a number with the same number of tens and ones. Select Sara's number.

• 33

• 42

• 12

• 87

Which equation is true?

• 12= 1 ten + 6 ones

• 8 ones + 4 tens=82

• 5 ones + 1 ten= 15

• 82= 8 tens + 1 ones

What is the number below in standard form?

Forty four

• 14

• 24

• 34

• 44