Expressions
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Extending Tables
100
How can you say "five times the amount of pebbles"
5p or 5 x p
100
If Torie makes an average of 36 paper swans per hour for 4 hours, she will make 4 × 36 paper swans. Which of the following is equal to 4 × 36? A (4 × 30) + (4 × 6) B (4 + 30) × (4 + 6) C (4 + 30) + (4 + 6) D (4 × 30) − (4 × 6)
A
100
Evaluate the expression 15 - n when n = 9
6
100
What is the Rule? A 48 56 64 72 ? 6 7 8 9
a / 8
100
What is the Rule? Start First Term Second Term Third Term Rule A 40 35 30 25 Rule B 63 58 53 48
Rule B is always 23 greater than Rule A
200
What is an expression for "2 more than 4 times a number"
4n + 2
200
What is the first step in evaluating the expression shown below? 8 + (15 − 4) × 11 − 10 ÷ 5
Subtract 15 - 4
200
Evaluate the expression 6 + 8 - x when x = 3
11
200
Evaluate: 48 / n when n = 8
6
200
Look at the chart and answer the Question Seconds 1 2 3 4 Beats 14 28 42 56 How many beats will it have for 5 seconds?
70
300
What is an expression for "5 less than 4 times a number"
4x - 5
300
What value of n makes the equation true? 24 × 480 = (24 × 400) + (24 × n) A 2 B 80 C 456 D 480
B
300
The expression j − 5 represents the number of years Julio has taken painting classes when Keri has taken sculpting classes for j years. How many years of classes will Julio have when Keri has 12 years?
7
300
Evaluate (2 x n + 2) / 2 When n = 7
8
300
Rule A: Start with 100 and subtract 3 Rule B: Start with 150 and subtract 3 What is the relationship between Rule A and Rule B?
Rule B is always 50 greater than Rule A
400
Jake cleaned up his room. He organized his toys into boxes. He put 7 toys in each of 3 bins. If t represents the total number of toys, what is an expression that shows the total number of toys he put away?
t = 7 x 3
400
What is the value of 15 − 2x + 2 when x = 6?
5
400
Evaluate: x + x + x + 6 + x + 4 + x + 9 + x x = 6
55
400
What is the Rule? D 30 25 15 5 ? 6 5 3 1
D / 5
400
Tom starts with $12 and saves $20 each week. Ruth starts with $15 and saves $20 each week. Copy and complete the chart to show how much money each has saved at the end of each week. What is the relationship between how much money each has at the end of each week?
Ruth always has 3 more dollars than Tom
500
Tell me this expression in word form: 4(5 + n)
Four times the total of 5 and a number.
500
Answer this problem. 5(4 + 3) + 5 x 3
50
500
What is the RULE of this table? R 19 24 32 37 ? 7 12 20 25
r - 12
500
New Jersey, Tennessee, and Ohio have a total of 40 representatives in the U.S. House of Representatives. New Jersey has 13 representatives and Ohio has 2 times as many as Tennessee. Write an expression showing how many representatives Ohio has.
(40 − 13) ÷ 3 × 2
500
Darren is watching a circus act. He notices that there is a relationship between the number of horses and the number of dogs in the act. He makes the table below to collect his observations. What is the relationship?
The number of dogs is always 4 times the number of horses in each row.
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