enVision: Topic 3-1 thru 3-3

Evaluate the Expression

100

4.3 + (8.4 - 5.1)

7.6

200

6 + 4 x 5 / 2 - 8 x 1.5

4

300

Insert grouping symbols to this expression so that the value is 32

2 x 9 + 7

2 x (9+7)

400

Evaluate the expression for t = 60

6t / 9 - 22

18

500

Evaluate 2p + 10c for p = 10 and c = 5

70

GCF and LCM

100

Write the prime factorization of 32.

2 x 2 x 2 x 2 x 2 OR 2⁵

200

Find the Greatest Common Factor (GCF) of 18 and 36

18

300

Find the Least Common Multiple (LCM) of 2 and 5

10

400

Find the GCF of 100 and 48

4

500

Find the LCM of 8 and 10

40

Exponents

100

What is the exponent for this expression:

4 x 4 x 4 x 4 x 4

5

200

Evaluate: 8³

512

300

Evaluate: (1/5)⁴

1/625

400

Write 125 as a repeated multiplication of 5s. Then write it as a power.

5 x 5 x 5 =125

5³=125

500

Compare the expressions: 3⁴ and 4³

3⁴= 81

4³=64

So  3⁴ > 4³

Order of Operations

100

What should I do first in this expression:

(4² (3) + 1.5) + 5³

4²=16

200

Evaluate:

4³ + [(96 / 8) x 5] - 42

82

300

Evaluate:

[7 - (3² - 3)] x 8

8

400

Evaluate:

(7.5 + 1.4) x (3.2 - 1.6)

14.24

500

Evaluate: 

1/2 (20) + 15 / 5 xx 10 ÷ 2

25

Order of Operations Cont.

100

Evaluate:

6 xx 5+10/(25÷5)

32

200

Evaluate:

157.5 - (23.3 - 12.6) xx 7

82.6

300

MERRY CHRISTMAS! FREE POINTS

MERRY CHRISTMAS!!!

400

Evaluate: 

2/3 + 1/5 xx 10/3

1 1/3

500

Evaluate: 

1.5^2 ÷ 0.3 xx 4

30