Addition With Regrouping Using Base 10 Blocks

Solve the following using base-ten blocks: 23+12+17=

• 52

• 51

• 53

• 54

Solve the following using base-ten blocks: 34+5+17+9

• 5 tens 6 ones

• 56 tens

• 6 tens 5 ones

What is the correct regrouping for the sum of 56 + 38 using base 10 blocks?

• • 8 tens and 4 ones

• • b) 9 tens and 6 ones

• • c) 9 tens and 14 ones

• • d) 9 tens and 4 ones

• 77

• 67

• 87

Add the Base Ten Blocks.

What is the sum?

• 78

• 87

• 108

• 67

Solve.

• 10

• 60

• 64

What is the sum of their base ten blocks?

• 233

• 121

• 345

• 145

• 18

• 80

• 20

• 8

Count the base ten blocks.

What is the sum?

• 112

• 121

• 100

• 62

Add these two numbers together (easier to count all the 10s first then the 1s)

• 66

• 65

• 23

• 55