Adding and Subtracting Base Tens

What is this manipulative called?

• Base ten blocks

• Place value chips

• Place value chart

What is this manipulative called?

• base ten blocks

• place value chips

• place value chart

You have 37 + 25. What is the biggest place value you can add the ones place digits together without going over 10?

• ones place

• hundreds place

• tens place

If we add 10 to a number, the result will always be bigger than the original number.

• True

• False

How many tens?

• 4 tens

• 2 tens

How many tens?

• 8 tens

• 7 tens

How many tens and ones?

• 3 tens and 5 ones

• 3 tens and 3 ones

How many tens and ones?

• 1 ten and 7 ones

• 1 ten and 5 ones

How many?

• 5

• 100

• 50

• 4

• 33

• 70

• 43

• 7