Adding and Subtracting Using Base Ten Blocks

True or False: When I don't have enough ones, I need to make a magic ten when doing the base ten blocks method. 

• True

• False

Can you use the base ten block method and the number line method for adding and subtracting?

• Yes

• No

How many hundreds are there?

• 2

• 3

• 7

Which method is the base ten block strategy?

• 
• 
• 
• 
• 

Add the Base Ten Blocks.

What is the sum?

• 78

• 87

• 108

• 67

Add the base ten blocks.  What is the sum?

• 79

• 80

• 81

• 90

Add the base ten blocks.  What is the sum?

• 85

• 58

• 88

• 83

Erin used Base-10 blocks to create a subtraction problem.

The small cube = 1.

• 879

• 3,485

• 1,021

• 979

John used Base-10 blocks to create an addition problem.

The small cube = 1.

• 3,675

• 361,015

• 3,705

• 37,675

Find the sum of the numbers using the base 10 blocks.

• 43

• 32

• 42

• 34