What is the expanded form of the number 647?

• 6 tens, 4 hundreds, 7 ones

• 6 hundreds, 7 tens, 4 ones

• 6 hundreds, 4 tens, 7 ones

• 6 ones, 4 tens, 7 hundreds

How many tens are there in the number 253 when using base ten blocks?

• 5 tens

• 3 tens

• 2 tens

• 1 ten

If you have 10 ones cubes, what do they equal in base ten blocks?

• 10 hundred blocks

• 1 ten long

• 10 tens long

• 1 hundred block

How many donuts does Missus Washington need to buy if 7 more people are coming to the meeting?

• 7 donuts

• 19 donuts

• 12 donuts

• 21 donuts

After 12 kids leave the pony ride line, how many kids are left if there were originally 67?

• 55 kids

• 67 kids

• 79 kids

• 12 kids