Chapter 1 - Numerical Expressions & Factors - Review

Whole Number Operations & Adding/Subtracting Fractions

100

4382 + 2899

7281

200

192 x 38

7296

300

A shopper gives a cashier $60 to pay for a $49 item.  What operation is needed to determine how much change the cashier owes the shopper?

subtraction

400

3 5/6 - 2 7/15

1 11/30

500

You place a 3 3/8 pound weight on the left side of a balance scale and a 1 1/5 pound weight on the right side.  How much weight do you need to add to the right side to balance the scale?

2 7/40 pounds

Powers & Exponents

100

Write 2x2x2x2x2x2 as a power

2⁶

200

Write 5x5x5x5 as a power

5⁴

300

Find the value of 15²

225

400

Find the value of 4⁴

256

500

Find the value of 7³

343

Order of Operations

100

3 x 6 - 12 / 6

16

200

20 x (3² - 4) / 50

2

300

5 + (4² + 2) / 6

8

400

5 + 2³ / 4 - 2

5

500

6 + 4(11 - 2) / 3²

10

GCF

100

Find the GCF of 24 and 54 using lists of factors.

6

200

Find the GCF of 16, 32, and 72 using lists of factors.

8

300

Find the GCF of 52 and 65 using prime factorization.

13

400

Find the GCF of 18, 45, and 63 using prime factorization.

9

500

You have 16 yellow beads, 20 red beads, and 24 orange beads to make identical bracelets.  What is the greatest number of bracelets that you can make using all the beads?

4 bracelets

LCM

100

Find the LCM of 14 and 21 using lists of multiples.

42

200

Find the LCM of 9 and 24 using lists of multiples.

72

300

Find the LCM of 26 and 39 using prime factorization.

78

400

Find the LCM of 6, 12, and 14 using prime factorization.

84

500

A bag contains equal numbers of green and blue marbles.  You can divide all the green marbles into groups of 12 and all the blue marbles into groups of 16.  What is the least number of each color marble that can be in a bag?

48 of each color of marble