Untitled Presentation

Multiple Choice

Calculate mentally the result of 17 - 7.

• 10

• 9

• 8

• 11

Multiple Choice

Why is it important to learn different ways to subtract one-digit numbers from two-digit numbers?

• Because it helps us solve problems faster and more accurately.

• Because subtraction is only used in school.

• Because it is required for all jobs.

• Because it is easier than addition.

Multiple Choice

What addition problem do these base ten blocks represent?

• 35+29
• 28+39
• 29+38
• 38+29