Addition
Subtraction
Rounding
Multiplication
Division
100

250+325

575

100

758-335

423

100

48 rounded to the nearest ten

50

100

2x7

14

100

12/3

4

200

450+176

626

200

762-381

381

200

75 rounded to the nearest ten

80

200

4x5

20

200

24/3

8

300

764+347

1,111

300

467-279

188

300

759 rounded to the nearest hundred 

800

300

7x8

56

300

42/6

7

400

The chair weighed 178 pounds and the person in the chair weighed 235 pounds. How much did the chair and person weigh altogether?

413 pounds

400

Tomas had 500 baseball cards. He gave 245 to his friend Charlie. How many cards did he have left?

255 cards

400

637 rounded to the nearest ten

640

400

Maria has 10 baskets with 8 apples in each. What is the total number of apples?

80

400

There were 40 books and 5 shelves. How many books are on each shelf?

8 books 

500

The baskets of apples from one tree weighed 345 kg. The baskets of apples from another tree weighed 439 kg. How much was the total weight of the apples from both trees?

784 kg

500

There were 486 gum balls in the machine. By the end of the day there were 277. How many gum balls were bought?

209 gum balls 

500

Natalie had 643 marbles and her sister had 287 marbles. To the nearest hundred about how many do they have in total? Hint: round first then add

900 marbles

500

There were 8 tables with 9 students at each table. How many students in all?

72 students 

500

There were 63 cookies and 9 people. How many cookies did each person get?

7