Base Tens and Ones

How are 20 and 2 different?

• They are different numbers.

• Because they are.

• 20 has 2 groups of ten and 2 has 2 ones.

• They are the same.

67=

• 5 tens and 8 ones

• 6 tens and 7 ones

• 7 tens and 6 ones

• 1 ten and 4 ones

28 is:

• 8 tens and 2 ones

• 2 tens and 8 ones

• 4 tens and 6 ones

• 3 tens and 2 ones

85 is . . .
____ tens
5 ones

• 8

• 2

How many ones are in 148?

• 1

• 4

• 8

In the number 345 the 4 is in the ________ place.

• Ones

• Tens

• Hundreds

• I don't know

The mystery number has a 1 in the ones place, a 4 in the hundreds place, and 0 in the tens place.  What number am I?

• 401

• 140

• 41

• 410

What number is represented using the base ten blocks?

• 21

• 111

• 101

• 1000

How do you make 41 using base ten blocks?

• 2 tens

• 4 tens and 1 one

• 1 ten and 5 ones

• 6 tens and 2 ones

How do you make 237 using base ten blocks?

• 3 tens and 7 ones

• 2 hundreds, 3 tens and 7 ones

• 3 hundreds, 2 tens and 7 ones