chapter 1
Numerical Expressions and Factors
Numerical Expressions and Factors
Find the value of 33
27
14.21-4.103
10.107
A song has 12 beats every 5 seconds. How many beats are there in 30 seconds?
72 beats
Write the percent as a fraction or mixed number in simplest form: 88%
22/25
Evaluate 3n2 + 4m when m=2 and n=5
83
Evaluate the expression: 5 + 3(42 - 2)
47
5 divided by 2 6/7 written in simplest form
1 3/4
10 quarts is how many gallons?
1 gallon = 4 quarts
2.5 gallons
Write 6% as a decimal.
0.06
Write an algebraic expression for the following phrase: 3 fewer than the product of 9 and the number m
9m-3
Write the prime factorization of 66.
(2)(3)(11)
5.46 divided by 0.25
21.84
If the price is $18 for 4 pounds, find the unit rate in dollars per pound.
$4.50 per pound
Answer must have units for a unit rate!
Write 8/20 as a percent.
40%
Simplify the expression by combining like terms.
4n + 3 + n + 8
5n + 11
Find the GCF of 32 and 56
8
3.27 x 0.8 = ?
2.616
During a chess match, there are 12 pieces left on the board.
The ratio of white pieces to black pieces is 2 : 1.
How many white pieces are on the board?
8 white pieces
Order the numbers from least to greatest:
9/4 , 220%, 2.15, 218%
2.15, 218%, 220%, 9/4
Simplify the expression using the distributive property:
7(2a+6)
14a+42
Find the LCM of 20 and 12
60
You have 23 1/2 pounds of blueberries to store in freezer bags. Each bag holds 3 3/4 pounds of blueberries. What is the minimum number of freezer bags needed to store all the blueberries?
7 bags
A cyclist travels 4 miles in 20 minutes. At this rate, how many miles does the cyclist travel in 30 minutes?
6 miles
28% of what number is 21?
75
Factor the expression using the GCF.
16x+12
4(4x+3)