Math 6: Midterm

Number Theory

100

The opposite of 1/3.

-1/3

200

The absolute value of 2,306.

2,306

300

The GCF of 21 and 24.

3

400

Order from least to greatest.

1/2, 0.15, 1/3, 0.75

0.15, 1/3, 1/2, 0.75

500

Put parenthesis in the following expression to make it equal to 15

2² + 1 x 3

(2² + 1) x 3

Fractions

100

24/5 as a mixed number.

4 4/5

200

3 2/7 as an improper fraction.

16/7

300

¾ - ⅜  

3/8

400

5 / (1/5)  

25

500

3/4 x 1 1/2

1 1/8

Algebra

100

Equation or expression?

4x + 3

expression

200

Equation or expression?

7x + 1 = 8

equation

300

How many terms are in the expression

3x + 4/2 - 6y³ -4 x 5 x 6

4

400

Evaluate the expression

4x + 3x² ; x = 3

4 (3) + 3 (3)²
4 (3) + 3 (9)
12 + 27
39

500

Simplify by combining like terms.

7x² + 3z + 4 - 2 - 4x²

3x² + 3z + 2

Coordinate Planes

100

The y value in (3,4).

4

200

The x value in (9, 1).

9

300

The quadrant the that point (-3, 2) is located in.

II

400

The distance between the points (5, 6) and (5, 8).

2

500

The distance between the points (1, 6) and (-5, 6).

6

Decimals

100

5.16 + 6.4

11.56

200

12 - 0.71

11.29

300

3.77 x 2.8

10.556

400

2.35 x 7.8

18.33

500

4.16 / .8

5.2