Addition
Subtraction
Variables
Estimation
Reasoning
100
What is the sum and property. 34759034 + 0
What is 34759034; identity
100
There were 16 erasers in a desk drawer. Some students came and took 7 of them. How many erasers are left?
What is 9 erasers
100
Abby correctly answers 93 questions correctly on the quiz. She also correctly answers some bonus problems correctly. What expression shows how many questions Abby answered correctly.
What is 93 + b
100
$5.25 +2.30
What is about $7.00
100
The two-act play is 104 pages long. The first act is 53 pages long. How long is the second act?
What is 51 pages.
200
What is the sum and property. (4 + 6) + 4 + 15
What is 29; associative property
200
There were 432 employees working in an office building. Sixty-four of them left to go have lunch. How many employees are left in the building?
What is 368 employees
200
Mia's scrapbook has 42 pages. some of the pages are not filled in. What expression shows how many pages are not filled in?
What is 42- p
200
1432 4290 +3671
What is about 9000
200
The play was performed on Thursday, Friday, and Saturday. Ben, Sue, and Dana went on different nights. Sue went after Dana. Ben missed the first night, so he went the next night. When did Sue and Dana see the play?
What is Dana went Thursday; Sue went Saturday.
300
6 2 4 +2
What is 14
300
The boiling point of water is 212 degrees. The freezing point is a chilly thirty-two degrees. What is the difference between the boiling and freezing points of water?
What is 180 degrees
300
Find the value of the expression. 24 - x, when x = 8
What is 16
300
43,038 - 3,671
What is about 39,000
300
The cast received 3 curtain calls on Thursday and double that on Friday. On Saturday there were two more than on Thursday. How many total curtain calls were there?
What is 14 curtain calls.
400
Kim has 4 Canadian stamps, 5 English stamps, and 6 French Stamps. How many stamps does she have altogether?
What is 15 stamps.
400
Adam put 1391 plates through the cafeteria's dishwasher. He put five hundred ninety-three of them through a second time because they were so dirty. How many plates only needed to be washed once?
What is 798 plates
400
Solve for the variable. 7 = n - 6
What is n = 13
400
241,701 - 45,089
What is about 190,000
400
There were 142 people in the audience Thursday night. Forty of them were adults. How many children went to the play on Thursday?
What is 102 children
500
Find the sum of the first problem. Predict the sum of the second problem. Explain your reasoning. 50 + 50 50 + 65
What is 100; 115
500
There are 1338 people at the beach today. Seven hundred seven of them are swimming in the water, while the rest are sunbathing on the sand. How many people are on the sand?
What is 631 people
500
Write a number sentence using a variable. Mel is a cat sitter. This week she fed 3 fewer cats than last week. This week she fed 9 cats. How many cats did she feed last week?
What is c - 3 = 9; c = 12
500
Is the answer reasonable? Estimate to check. $21.46 + $3.98 + $32.54 = $87.98
What is no; about $54.00
500
Tickets: Adults- $3.20 Children- $2.00 Mr. Mendez spent $14.40 on tickets. What tickets did hew buy?
What is 2 adults and 4 children.
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