You have a rack that can hold 30 CDs. You already have 7 CDs.
How many more CDs can fit on the rack?
X + 7 = 30; - 7 ; X = 23
100
Aaron is 15 years old. This is 3 years younger than his brother Ezekiel.
How old is Ezekiel?
15 = E - 3; +3; 18 = E
100
Eggs come one dozen to a carton. How many cartons do you need to buy to get 48 eggs?
12 C = 48; /12; C = 4
100
20 = 4x
--- ---
4 4
5 = x
What is The Division Property of Equality?
100
A Newton is about equal to the weight of an object that has a mass of _____ grams on Earth.
100
200
There are 15 girls in the class. The class has 31 students.
How many boys are in the class?
15 + B = 31; -15 ; B = 16
200
Caitlyn has D dollars. After she pays her sister Danielle back the $5 she borrowed, she has $18 left.
How much did Caitlyn start with?
D - 5 = 18; +5; D = 23
200
Samin spent $65 on 5 pizza?
How much did each pizza cost?
5 p = 65; /5; p = 13
200
3 + x = 7
-3 -3
x = 4
What is The Subtraction Property of Equality?
200
The density of Oxygen is 0.001331. Write this number in scientific notation.
1.331 x 10 ^-3
300
A giraffe is 3.5 meters taller than a camel. If a giraffe is 5.5 meters tall, how tall is a camel?
3.5 + C = 5.5; -3.5; C = 2.0
300
Ryan saved up to buy a TV. It was on sale and he was able to buy it for only $65. He has $12 left.
How much did he have saved up?
S - 65 = 12; + 65: S = 77
300
You are one-third of the way through a book. There are 300 pages in the book.
How many pages have you read?
3 X = 300; 3; X = 100
300
a - 2 = 6
+2 +2
-------------
a = 8
What is The Addition Property of Inequality?
300
Complete this series
Thousand; Million; Billion; Trillion; ______
What is Quadrillion?
400
This week, Tiffany practiced her bassoon a total of 7 hours. This was 2 hours more than last week.
How many hours did she practice last week?
B + 2 = 7 ; - 2; B = 5
400
The Colossos roller coaster is 13 feet taller than Voyage, which is 163 feet tall.
How tall is Colossos?
C -13 = 163; +13; C = 176
400
Ms. Wilson's car averages 21 mpg.
How much gas will she need for a trip of 105 miles?
21 G = 105; /21; G = 5
400
What is the Subtraction Property of Equality?
If you subtract the same number from each side of an equation, the equation remans balanced.
400
Name pi to four decimals.
What is 3.1415
500
The highest recorded temperature in Warsaw, Missouri is 118 F. This is 158 greater than the lowest recorded temperature.
What is the lowest temperature?
L + 158 = 118; - 158; L = -40
500
Maria had some money when she went to the store. She spent $16.16. Now she has $3.25.
How much did she start with?
M - 16.16 = 3.25; + 16.16; M = 19.41
500
Bobby borrowed $98 from his father. He will pay him back at $14 per week.
How many weeks will this take?
14 W = 98; /14; W = 7
500
What is the Division Property of Equality?
If you divide each side of an equation by the same NON ZERO numbers, the sides remain equal.
Answer must have NON ZERO.
500
The chances of correctly picking all the brackets for March Madness is 1 in 1 Quintillion.
What is a Quintillion?