Name:    Try It Out -- Chapter 6, Lesson 10

Matching

Which would be the best addition or subtraction method for each situation?

 a. Use mental math. b. Use a calculator.

1.

Jack has 149 stamps in his collection. There are 250 stamps needed to complete the collection. How many stamps does Jack still need?

2.

There are 365 days in a year. July 4th is the 185th day of the year. How many more days are in the year?

3.

There are 365 days in a year. December 29th is the 363rd day of the year. How many more days are in the year?

4.

On Saturday Joyce hiked 20 kilometres. On Sunday she hiked another 20 kilometres. How far did she hike altogether?

5.

On Saturday Joe drove 487 kilometres. On Sunday he drove 594 kilometres. How far did he drive altogether?

Numeric Response

6.

Jack has 149 stamps in his collection. There are 250 stamps needed to complete the collection. How many stamps does Jack still need?

7.

There are 365 days in a year. July 5th is the 186th day of the year. How many more days are in the year?

8.

There are 365 days in a year. December 29th is the 363rd day of the year. How many more days are in the year?

9.

On Saturday Joyce hiked 20 kilometres. On Sunday she hiked another 20 kilometres. How far did she hike altogether?

10.

On Saturday Joe drove 487 kilometres. On Sunday he drove 594 kilometres. How far did he drive altogether?