Review

Addition

100

89 + 45 

134

200

275 + 86

361

300

589 + 290 

879

400

32,689 + 54,103

86,792

500

                               419,238 

                                       36

                           +     4,318

                     ______________________       

423,592

Subtraction

100

68 - 32

36

200

196 - 35 

161

300

976 - 398

578

400

81,675 - 64,786

16,889 

500

1,973,287 - 87,251

1,886,036

Word Problems

100

Max had 83 apples in total to make apple pie for the pie contest. His friends Amy had asked him for 13 apples for her pies. How many apples does Max have left? 

He has 70 apples left. 

200

Ms. Webb has 736 stickers for her interventions club. After 2 weeks, she has a total of 358 stickers left. How many stickers did she give away? 

She gave away 378 stickers. 

300

Ted sold 318 tickets to the school carnival. Sam sold 164 tickets. How many tickets did Ted and Same sell together?

They sold 482 tickets.

400

London earns $2465 per month. She received a $100 monthly increase. What is her new monthly salary?

Her new salary is $2565.

500

A baseball stadium holds 50,000 people. One day, 37,125 people attended and paid $16 per ticket. How many seats were empty?

There were 12,875 empty seats.

Exponents

100

Solve: 3²

9 

200

Solve: 7³

343

300

Solve: 9³

729

400

Solve: 5^{3 +} 4²

141

500

Solve: 8² - 6²

28

Prime

100

What is a prime number? 

A number that ONLY has 2 factors. (1 and the number itself) 

200

What are the prime numbers between 1 and 20?

2, 3, 5, 7, 11, 13, 17, and 19

300

Name 5 composite numbers.

Answers vary - any number that is not prime.

400

How would you do a factor tree for 16?

             16

             / \

           4    4

          / \   / \

        2   2 2   2

500

What is the prime factorization of 48?

2 x 2 x 2 x 2 x 3