Integers & Absolute Value
Find the sum, difference, product, or quotient.
-5 + (-14)
-5 + (-14) = -5 - 14 = -19
Evaluate the expression. Give each answer as a mixed fraction in simplest form.
7/18 - 2/9
7/18 - 2/9 = 7/18 - 4/18 = 3/18 = 1/6
Write 7/8 as a decimal and as a percent.
0.875 & 87.5%
Give the exponential expression and the value for the following expanded notation.
2/3 x 2/3 x 2/3
Exponential Expression = (2/3)^3
Value = 8/27
Which one is greater or are they equal?
40% or 3.1 x 10^1
3.1 x 10^1 is greater
Evaluate the expression.
|-124|
|-124|= 124
Evaluate the expression. Give each answers as a mixed number in simplest form.
-2 3/5 \ -8
-2 3/5 \ -8 = -13/5 x -1/8 = 13/40
-3 1/2 \ 0.25
-3 1/2 \ 0.25 = -7/2 \ 1/4 = -7/2 x 4/1 = -7/2 x 2/1
-14
sqrt(40)
Rewrite the list of numbers in order from least to greatest.
12^2, 1.4 x 10^2, sqrt.(1200), 6^4, 2 x 10^1
2 x 10^1, sqrt.(1200), 1.4 x 10^2, 12^2, 6^4
Find the sum, difference, product, or quotient.
-102/-6
-102/-6 = 17
Evaluate the expression. Write answer in mixed number and in simplest form.
How many 7/8 cup servings are in a pitcher that contains 8 1/4 cups of fruit punch?
8 1/4 \ 7/8 = 33/4 x 8/7 = 33/1 x 2/7 = 66/7
9 3/7 servings
Evaluate the expression. Give your answer as a decimal.
-5 4/5 - 0.95
-5 4/5 - 0.95 = -5.80 - 0.95 =
-6.75
Write the number in standard form.
5 x 10^-6
0.000005
Rewrite the list of numbers in order from least to greatest.
2.1 x 10^3, 7^3, 4.3 x 10^2, (-19)^2, 5^4
7^3, (-19)^2, 4.3 x 10^2, 5^4, 2 x 10^3
-20 - (-12) = -20 + 12 = -8
-8 / 4 = -2 degrees/hour
Evaluate the expression. Write answer as a mixed number in simplest form.
The quarterback for a football team threw the football 12 4/5 yards for each of three passes. How many yards did he throw altogether?
3 x 12 4/5 = 3 x 64/5 =192/5
38 2/5 yards
Evaluate the expression. Give your answer as a decimal.
Millie and Kim both entered pumpkins in the county fair. Millie's pumpkin weighs 52 1/4 pounds. Kim's pumpkin is 90% as big as Millie's pumpkin. How much does Kim's pumpkin weigh?
52 1/4 x 0.9 = 52.25 x 0.9 = 5225 x 9 = 47025 = 47.025 lbs.
Write the number in scientific notation.
0.00503
5.03 x 10^-3
Rewrite the list of numbers in order from greatest to least.
3/5, 0.45, 4/7, 42%, 4.55 x 10^-1
3/5, 4/7, 4.55 x 10^-1, 0.45, 42%
Mike had $1,800 in his bank account. Thirty days later, his account balance was 4570. Write an integer to represent the average change in his balance each day during this time.
1,800 - 570 = 1,230
1,230 / 30= $41 = $-41
After a party there were 2 2/3 pepperoni pizzas and 1 5/6 cheese pizzas left. How much pizza was left?
2 2/3 + 1 5/6 = 8/3 + 11/6 = 16/6 + 11/6 = 27/6
9/2 = 4 1/2 pizzas
Evaluate the expression. Give your answer as a decimal.
4.8 cups of sugar are needed to make sweet tea. Melissa only has a 3/10 cup scoop. How many scoops of sugar will she need?
4 4/5 \ 3/10 = 24/5 x 10/3 = 8/1 x 2/1 =
16 scoops
The area of a square is 450 square feet. Estimate the perimeter of the square to the nearest tenth.
sqrt.(450) = sqrt.(s^2)
21.2 = s
p = 4(21.2) = 84.8 ft.
Rewrite the list of numbers in order from greatest to least.
3%, sqrt.(10), 5/16, 3 x 10 ^-3, 7/20
sqrt.(10), 7/20, 5/16, 3%, 3 x 10^-3