Adding & Subtracting Decimals
Adding & Subtracting Fractions
Converting Fractions to Decimals
Word Problems
Number Lines
100
Suppose a 7th grader’s birthday is today, and she is 12 years old. How old was she 3 1/2 years ago? Write an equation solve.
What is 12 - 3 1/2 = 8 1/2 years old or 8.5 years old.
300
Sonji and her friend Rachel are competing in a running race. When Sonji is
What is -0.4 - 0.1 = - 0.5; Sonji will be
300
Solve. 1 - 2 1/4
What is - 1 1/4
300
Convert the following fraction into a decimal AND determine if it is a repeating or terminating decimal. 4/9
What is 0.4...;repeating decimal
300
Samantha owes her father $7. She just got paid $5.50 for babysitting. If she gives that money to her dad, how much will she still owe him?
What is -$1.50. She still owes him $1.50
300
Solve and model in a double arrow number line. -5 - (-3)
What is -2
400
Mariah had owed her grandfather $2.25 but was recently able to pay him back $1.50. How much does Mariah currently owe her grandfather?
What is -0.75. Mariah owes her grandfather 75 cents or 0.75.
400
Solve. −5 1/2 −(−8).
What is 2 1/2 or 2.5.
400
Convert the following mixed number into a decimal AND determine if it is a repeating or terminating decimal. - 2 1/11
What is -2.09...; repeating decimal
400
Joey had $156.78 in his bank account. He decided to earn some money to pay for a Six Flags trip so he mowed his neighbor's lawn for $21.50. He then deposited this amount into his account. However, he forgot that it was his best friend's birthday the next day, so he went back to the bank and withdrew $45.50 to buy his friend's birthday present. How much money is left in his account?
What is $132.78 in his bank account.
400
Solve and model in a double arrow number line. -1/4 + 4
What is 3 3/4 or 3.75
500
Mr. Henderson did not realize his checking account had a balance of $200 when he used his debit card for a $317.25 purchase. What is his checking account balance after the purchase?
What is - $117.25.
500
A bird that was perched atop a 15 1/2 foot tree dives down six feet to a branch below. How far above the ground is the bird’s new location?
What is 15 1/2 - 6 = 9 1/2 or 9.5; The bird is 9 1/2 feet above ground.
500
Convert the following mixed number into a decimal AND determine if it is a repeating or terminating decimal. - 7 11/20
What is -7.55; terminating decimal
500
At the start of a trip, a car’s gas tank contains 12 gallons of gasoline. During the trip, the car consumes 10 1/8 gallons of gasoline. How much gasoline is left in the tank?
What is 1 7/8 or 1.875 gallons of gasoline.
500
Solve and model in a double arrow number line. 1/2 - (-3).
What is 3 1/2 or 3.5.
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