7th Grade Math: Chapter 1

SimplySimplifying

100

9.53 + 3.29

12.82

200

8 - 6.17

1.83

300

10.5 -9.67

0.83

400

0.57 + 1.875

2.445

500

You had a balance of $213.15 in a savings account. You make withdrawals of $68.94 and $128.36. Find your new balance.

$15.85

ProperProperties!

100

9.5 + 6.1 + 2.3 = 9.5 + 2.3 + 6.1

Commutative Property of Addition

200

3 + 0 = 3 

Identity Property of Addition

300

7.2 x (1.6 x 3.9) = (7.2 x 1.6) x 3.9

Associative Property of Multiplication

400

1 x n = n

The Identity Property of Multiplication

500

5.1(7.4 - 3.1) = 5.1(7.4) - 5.1(3.1)

Distributive Property

Solving andRounding

100

5.1 x 2

10.2

200

3.2 x 1.875

Round to the nearest tenth. 

6

300

1.2 / 0.3

Round to the nearest tenth. 

4

400

23.4 x 1.2

Round to the nearest tenth. 

28.1

500

1.58 / 1.1

Round to the nearest tenth. 

1.4

Expressing Your Expression

100

1.2 + 3.1 - 2.4

1.9

200

0.5 x 2 - 1

0

300

2 x (0.57 + 1.825) 

4.79

400

9.5 - 7.1 + 2.4 x 0.5 -1.3

2.3

500

8.2/4 x (0.6 - 0.54) + 8.3

8.423

Invested inIntegers

100

-3 + 5

2

200

-8 x (-9)

72

300

Order the integers from least to greatest. 

-4, 8, -2, -6, 3

-6, -4, -2, 3, 8

400

-6(11)

-66

500

48 / -3

-16