Chapter 1B & 2

Warm Ups

1-9 Simplifying Aglebraic Expressions

Evaluate each expression for y= 3

1. 3y +y

2. 7y

3. 10y - 4y

4. 9y

5. y + 5y + 6y

1-10 Equations and their solutions

Evaluate each expression for x = 12

1. x + 2

2. x - 8

3. 2x + 12

4. x/4

5.10x - 4

6.5x + 7

1-11 Addition and Subtraction Equation

Determine if the given numbers are solutions of the given equations

1. x = 2 for 4x = 9

2. x = 5 for 8x + 2 = 42

3. x = 4 for 3(x-2) = 10

1-12 Multiplication and Division Equations

Solve.

1. x + 5 = 9

2. x - 34 = 72

3. 124 = x - 39

***Chapter 1 Test MONDAY***

Chapter 2

2-1 Integers

Compare. Use <, >, or =.1. 7__52. 32 __653. 82__284.64__48

Intergers Song!! https://www.youtube.com/watch?v=0f-Ps0HscU0

2-2 Adding Intergers

Find each absolute value.

1. |8|

2. |–6|

3. |–9|

4. |–7|

5. |–12|

6. |53|

2-3 Subtracting Integers

Add.

1. –2 + 6 2. –3 + (–4)

3. 7 + (–5) 4. 3 + (–4)

5. –6 + (–1) 6. –6 + 1

2-4 Multiplying and Dividing Integers

Evaluate each expression.

1. 17 · 5 2. 8 · 34

3. 4 · 86 4. 20 · 850

5. 275 ÷ 5 6. 112 ÷ 4

2-5 Solving Equations Containing Integers

Use mental math to find each solution.

1. 7 + y = 15

2. x ÷ 9 = 9

3. 6x = 24

4. x – 12 = 30

***Quiz Tomorrow***

2-6 Prime Factorization

Write each number as a product of two whole numbers in as many ways as possible.

1. 6

2. 16

3. 17

4. 36

2-7 Greatest Common Factor

Write the prime factorization of each number.

1. 20

2. 100

3. 30

4. 128

5. 70

2-8 Least Common Factor

Write the prime factorization of each number.

1. 68

2. 225

3. 940Find the greatest common factor.

4. 27 and 45

5. 32 and 80

***Quiz Monday***

2-9 Equivalent Fractions and Mixed Number

Name a common factor for each pair.

1. 5 and 10 2. 9 and 12

3. 20 and 24 4. 10 and 14

5. 6 and 8 6. 8 and 15

2-10 Equivalent Fractions and Decimals

Write each fraction in the simplest form.

1. 2.

3. 4.

412

1846

2163

10072

2-11 Comparing and Ordering Rational Numbers

Hot dogs are sold in packs of 6. Buns are sold in bags of 8. What is the least number of hot dog packages and the least number of bun packages you would need to buy in order to have the same number of hot dogs and buns?