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Math Review – Unit 1Patterns & Relations

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Challenge Question

Identify the Rule IIIdentify the Rule I

Expressions and Tables IIExpressions and Tables I

Write the Expression IIWrite the Expression I

Algebraic Equation IIAlgebraic Equation I

Substitute a NumberTricky Algebraic Equations

Fix the Pattern Complete the Pattern

Fill in the blanks to complete this pattern.

3, 6, ___, 12, 15, ___, 21, 24

28, 27, 22, 19, 16

11, 10, 7, 4

There are two numbers that don’t belong in this pattern. Fix the pattern.

Identify the rule for this pattern.

1, 11, 10, 20, 19, 29, 28, 38, 37

2, 4, 8, 16, 32, 64, 128

Identify the rule for this pattern.

Complete this table. Write an algebraic expression that relates the number of bags to the number of buns.

Bags of Hotdog Buns Buns

1

24

3 36

4

5 60

a 0 1 2

b 8 6 4

Complete this table. Pick the algebraic expression that fits

a) b=a+6 b) b=6a+8

c) b=-2a+6 d) b=-2a+8

11 times a number, increased by 3.

Write an algebraic expression for the following phrase:

Write an algebraic expression for the following phrase:

A number divided by 3, increased by twice the number.

Solve for the unknown. What does “y” equal?

y/7 = 15

y = _____

Solve for the unknown. What does “r” equal?

r – 17 = 24

r = _____

Solve these two tricky algebraic equations.

1) 13.8 – n = 5.32) y = 8 x 6

If a=3 and b=7, what would each of these algebraic expressions equal?

1) 3a – b = ? 2) 8a – 2b = ?

What is the pair for the 30th number in this pattern?

Challenge Question

2 17

3 27

4 37

5 47

30 ?