Adding Multi-Digit Decimals
Subtracting Multi-Digit Decimals
Multiplying Multi- Digit Decimals
Unit 1 Review
Double or nothing
100

1.1 + 2.0

3.1

100

4.0 - 1.5

2.5

100

6.0 x 2.1

12.6

100

What is a quotient?

The answer to a division problem.

100

(2.7)2

7.29

200

9.2 + 3.14

12.34

200

63.2 - 4.56

58.64

200

6.31 x 25.0

157.75

200

Give me the formula for Area of a parallelogram and the Area of a triangle?

Parallelogram: A = b x h

Triangle: A= (bxh)/2

200

Identify the Coefficient, Variable, and Constants:

3x + 4 - 5y + 10z + 2

Coefficient: 3, 5, 10

Variable: x, y, z

Constant: 4, 2

300

6.67 + 8.12

14.79

300

695.7 - 72.34

623.36

300

2.563 x 63.8

163.5194

300

Find the area of the following shape:

15 x 8 = 120

3 x 8 = 24/2 = 12

120+12 = 132

300

(4.1)2 + 2 - 7

11.81

400

1365.20 + 22.36

1387.56

400

2658.2 - 43.536

2614.664

400

5.986 x 2.03

12.15158

400

Solve the following problem: 

2x2 + (2y - 3x)3 when x = 2 and y = 4

2(2)2 + (2(4) - 3(2))3

2(4) + (8 - 6)3

8 + (2)3

8 + 8 = 16

400

Find the area of the rectangle:

15.5 x 4.5

69.75

500

456.21 + 9.568

465.778

500

12,365.98 - 654.82

11,711.16

500

12.653 x 3.12

39.47736

500

Write an algebraic expression for the following: 

Jane has 15 seashells. She sells a third of the seashells. Jane collects 4 shells from several beaches in Hawaii and 3 shells from several beaches in California. How many total shells does she have in the end?

15(2/3) + 4H + 3C

or 

10 + 4H +3C

500

Find the area of the shape:

rectangle: 12.3 x 15.1 = 185.73

triangle : 7.7 x 15.1 = 116.27/2 = 58.138

58.138+185.73 = 243.865