Write an expression for each word phrase.
Take 2 from a number.
What is n-2?
100
Use estimation to solve:
686+231
What is 900?
100
8,603 + 587
(Use estimation to see if your answer is reasonable.)
What is 9,190? I know my answer is reasonable because when I estimated I got 9,600.
100
4 + z = 10
What is 6?
200
Write expression for word phrase:
Five increased by a number.
What is 5+n?
200
Use estimation to solve:
706 - 197
What is 500?
200
5,308 - 3,591
(Use estimation to see if your answer is reasonable)
What is 1,717? I know my answer is reasonable because when I estimated I got 2,000.
200
d - 17 = 50
What is 67?
300
Write expression for word phrase:
Twenty is reduced by a number.
What is 20-n?
300
Use estimation to solve:
4,673 + 3,927
What is 9,000?
300
The Pittsburgh Steelers have 276 football players signing autographs. There are 412 fans asking for autographs. How many people are there in all? (Use estimation to make sure your answer is reasonable.)
What is 688 people? I know my answer is reasonable because when I estimated my answer was 700.
300
61 + w = 72
What is 11?
400
Write a word phrase for the expression:
n-25.
What is a number minus 25?
400
Use estimation to solve:
92,545 - 36,789
What is 50,000?
400
My mom bought a car for $7,604 and a new laptop for $1,327, how much did she spend in all?
What is $8,931? I know my answer is reasonable because when I estimated I got 9,000
400
In two days Tommy earned $20. On the second day he earned $9. Set up an equation and solve the problem. (Hint: A variable represents a number)
What is x + 9 = 20. Tommy earned $11 dollars the first day.
400
The roller coaster can carry a maximum of 24 riders. Each car carries 3 people. The carousel can carry a maximum of 56 people. How many more people can the carousel carry.
What is 32 more riders?
500
Write a word phrase for the expression:
100 - c
What is 100 minus a number?
500
Jarad has 3,764 baseball cards and 465 football cards. Estimate how many cards Jarad has in all.
What is 4,500 cards?
500
There are 95,678 people that live in Altoona, PA. There are 89,679 people that live in Altoona, TX. What is the difference in the number of people?
What is 5, 999 people?
500
Emily bought a new shirt for $14. She had $35 dollars left. How much money did Emily have before she bought the shirt. (Hint: A variable represents a number)
What is n - 14 = 35? Emily had $49 before she bought the shirt.
500
Makayla bought 2 gallons of paint for $19 each, a roller set for $6, and a paintbrush. How much did Makayla spend for these supplies?