Addition
Subtraction
Rounding
Two-digit Addition
Random
100
37+41=
78
100
87-23=
64
100
Round to the nearest ten, then add. 62+ 13=
What is 60 + 10 = 70
100
43 -11=
What is 22?
100
Ms. Herrion has 13 Justin Bieber CDs and 6 Miley Cirus CDs. How many does she have in all? Draw a picture to represent this problem & solve.
Your picture should have a question mark in the top bar, 13 in part of the bottom bar and 6 in the other part of the bottom bar. The answer is 19 CDs.
200
180 +20=
What is 200?
200
248-199=
49
200
Estimate the difference of 92-74. Round to the nearest ten first.
What is 90 - 70 = 20?
200
12+6
What is 18?
200
Donique wears really cool jewelry! She has 23 bracelets and 19 necklaces. About how many pieces of jewelry does she have?
about 40 pieces of jewelry
300
What is a word or phrase you would find in a word problem that let's you know you should add?
total, sum, in all, altogether (any word from the poster is correct!)
300
102-38=
64
300
Round to the nearest ten. Then add the numbers. 32-22=
What is 30 - 20 = 10?
300
45+4=
What is 49?
300
Temsia ate an apple for lunch. She also ate 2 tacos that were 150 calories each. How many calories did she eat for lunch? Can you solve this problem? If yes, solve it. If no, what information is missing?
No - we need to know how many calories there are for the apple.
400
What is the term for the answer to an addition problem?
Sum
400
3,000-1,743=
1,257
400
Round to the nearest hundred. 130
What is 100?
400
63+45=
What is 108?
400
Jorge bought some Silly Bandz this summer. His mom gave him 12 more on the first day of school. How many Silly Bandz does he have in all? What information is needed to solve this problem?
We need to know how many Silly Bandz Jorge bought this summer.
500
What term is used for the numbers you add together in an addition problem?
Addends
500
What is a word or phrase you would see in a word problem that means subtraction?
difference, how many more, less (any words from the poster!)
500
Round to the nearest hundred. 540
What is 500?
500
79+11=
What is 90?
500
Davione loves to read! She has read 456 books in her whole life! How many more books does she need to read if she wants to be able to say she has read 1,000 books?
544 more books
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