3.2A, 3.2B Review

Which number shows 6,000 + 400 + 20 + 1 in standard form?

• 64,421

• 6,421

• 60,021

• 60,241

What is 3,027 in expanded form?

• 3,000 + 200 + 70

• 3,000 + 200 + 7

• 3,000 + 20 + 70

• 3,000 + 20 + 7

What is the standard form of this number? (7 x 10,000) + (6 x 1,000) + (1 x 10) + (3 x 1)

• 76,013

• 7,613

• 70,613

• 76,103

How could the number 7,380 be described in words?

___ thousands, ___ hundreds, ___ tens, ___ ones

What is the sum of 9 ten thousands, 8 thousands, 7 hundreds, 3 tens, and 2 ones in standard form?

• 9,872

• 98,732

• 90,832

• 98,372

Which models represent the same number?

• Models A and C

• Models B and C

• Models A and B

• None of the models are equivalent

If 10 tens equals 100, how many tens equals 400?

• 40

• 4

• 400

• None