Chapter 4 Introduction

Ratios

100

Find the percent of the ratio 1:3?

33%

200

If you have 8 bananas and 4 mangos, what is the ratio of bananas to mangos?

2 to 1.

300

There are 12 girls and 15 boys in the class.  What is the ratio of boys to girls?  

15:12, 15/12 or 15 to 12

400

What is a ratio?

The comparison of two or more numbers that indicate their size in relation to one another.  

500

If there are 13 students in first period, and 15 students in second period, what is the ratio of first period to total? What about total to second period?

First period to total: 13:28

Total to second period: 28:15

Order of Operations

100

Find 4+2*8=

20

200

Solve 38 - 6 x 5 +4=

12

300

What is the first step in solving 5+4(3-1) 

3-1 inside the parantheses

400

Solve 2 (4² - 3)

26

500

Solve 4 x (12²/8) + 3

75

One-Step Equation

100

Solve for x-4=12

x=16

200

Solve for  5+z=10

z=5

300

Solve for y

32 + y =12

y=-20

400

What are Variables?

A letter or symbol used to represent one or more numbers.

500

Find x: 

12x + 4 = 100

x=8

Miscallaneous

100

What is the area of a rectangle that is 12 inches wide and 16 inches long?

192

200

Find the prime factorization of 110.

2 x 5 x 11

300

What is the vocabulary world of the intervals or ranges on a histogram?

A bin

400

Solve: 124.563-25.318

99.245

500

Write 1.259 as a percent, fraction, and using words. Then draw the web that has all the parts.

125.9%, 1 259/1000, 1 and two hundred and fifth nine thousandths.