ILEARN Checkpoint 1 Review (7th Grade Math)

Prime Factorization

100

Prime Factorization of 100

2² x 5²

200

Prime factorization of 19

19

300

Prime factorization of 360

2³ x 3² x 5

400

Prime factorization of 51

3 x 17

500

Prime factorization of 780

2² x 3 x 5 x 13

Squares and Square Roots

100

Square root of 49

7

200

9²

81

300

x² = 121, what is the value of x?

11

400

√x = 6, what is the value of x

36

500

(√12)² = ?

12

Integers

100

-2 + -8

-10

200

-4 - (-25)

21

300

-9 * 8

-72

400

-64 ÷ -16

4

500

-3 + 7 - (5 - 10)

9

Rational Numbers

100

- 1.4 + 15.7

14.3

200

1  3/4  - (-8/12)

2  5/12

300

1.25 * -3.7

-4.625

400

2  3/5  ÷  -5/6

-3 3/25

500

Write 3/8 as a decimal 

0.375

Linear Expressions

100

-2x + 3 + x - 4

-x - 1

200

-(4x - 5)

-4x + 5

300

Factor: 32x - 56

8x(4 - 7)

400

12x + 2(-8x - 3)

-4x - 6

500

13z - (-8z + 10) + 24, in factored form

7(3z + 2)