Adding
24,315 + 13,204 = ?
Show your work!
37,519
Say the answer correctly to get your points!
This word means the answer to an subtraction problem.
Difference
58,721 − 24,310 = ?
Show your work!
34,411
Say the answer correctly to get your points!
Wonders of Wildlife has 389,321 visitors last year. This year 127,450 people visited.
How many more visitors did they have last year?
Answer in a full sentence to get full points!
Last year, Wonders of Wildlife has 261,871 more visitors.
Answer in a full sentence and say the number correctly to get full points!
Daisy solved:
34,562+12,347 = 46,809
What mistake did Daisy make?
Correct Answer: 46, 909
Daisy made a mistake in the hundred place - she forgot to regroup with the 1.
145,327 + 231,456 = ?
Show your work!
376,783
Say the answer correctly to get your points!
What three key words can be used to hint it is an addition problem.
587,642 − 243,121 = ?
Show your work!
344,521
Say the answer correctly to get your points!
Mrs. Lindsay had 245,675 books in the library. She received 38,450 new books at the beginning of the school year. She then removed 27,895 ruined books.
How many books does Mrs. Lindsay have now?
Answer in a full sentence to get full points!
Mrs. Lindsay has 256,230 books in the library.
Answer in a full sentence and say the number correctly to get full points!
Jennifer tried to solve:
58,421 - 23,115 = 35,316
Is Jennifer correct? If not, what is the correct answer?
Correct answer is 35,306
She did not regroup in the tens place.
704,532 + 286,417 = ?
Show your work!
990,949
Say the answer correctly to get your points!
The phrase "how many more" can be a clue to use this operation when comparing two amounts.
Subtraction
714,832 − 256,487 = ?
Show your work!
458,345
Say the answer correctly to get your points!
Mathews Elementary raised $125,450 during a fundraiser. At a different fundraiser, Mathews raised another $87,625. At the end of the school year, Mathews spent $56,780 on a new playground.
How much money does the school have left?
Answer in a full sentence to get full points!
Mathews has $156,295 left.
Answer in a full sentence and say the number correctly to get full points!
Archie solved:
316,805 + 274,196 = 580,901
What place value mistake did Archie make?
Correct Answer: 591,001
Archie forgot to regroup when adding
1,245,678 + 2,314,567 = ?
Show your work!
3,560,245
Say the answer correctly to get your points!
A word problem says, "Leighton has 45 stickers. He gets 27 more stickers. How many stickers does he have altogether?" What operation should you use, and which key word is your clue?
Operation: addition
Key word: altogether
5,672,341 − 2,438,219 = ?
Show your work!
3,234,122
Say the answer correctly to get your points!
Yellowstone National Park has 2,345,600 trees in one section and 1,875,450 trees in another section.
How many trees are there altogether at Yellowstone?
Answer in a full sentence to get full points!
There are 4,221,050 trees altogether at Yellowstone National Park.
Answer in a full sentence and say the number correctly to get full points!
Michael solved:
1,245,678 + 2,314,567 = 3,450,245
He says, “I added each digit correctly.”
Do you agree? Explain his mistake.
Correct answer: 3,560,245
Michael made a place value error when adding ten-thousands and hundred-thousands place.
5,678,909 + 9,783,389 = ?
Show your work!
15,462,298
Say the answer correctly to get your points!
A word problem says: "The school collected 125,000 cans. They collected 35,000 more cans than last year. How many cans did they collect last year?"
Which operation should you use, even though the problem contains the word "more"?
Determine which math operation should be used and solve the word problem.
Subtraction
125,000 - 35,000 = 90,000
9,275,743 − 4,527,895 = ?
Show your work!
4,747,848
Say the answer correctly to get your points!
A video game company sold 1,476,625 games in its first year. In its second year, it sold 2,000,750.
How many more games did they sell in the second year?
Answer in a full sentence to get full points!
In the second year, they sold 524,125 more than the first year.
Answer in a full sentence and say the number correctly to get full points!
Connor solved:
4,785,629 + 2,936,784 = 7,611,413
Ben forgot to regroup in one place value. Which place value did he miss?
Correct answer: 7,722,413
Connor missed a step in regrouping starting in the thousands place, which messed up the ten-thousands and hundred-thousands place.