Fast Facts
3 + 5 = ?
What is 8
14 + 29 = ?
What is 43?
Beth baked 24 carrot muffins.
She baked 18 apple muffins.
How many muffins did Beth bake?
(Use a bar model)
What is 42 muffins?
24 + 18 = 42
17 + 41 + 22 = ?
What is 77?
Mike sees 17 blue cars and 25 green cars at the toy store. How many cars does he see?
A. 17 + 25
B. 25 - 17
C. 25 + 17
D. 17 + 17
A and C
6 + 6 = ?
What is 12?
22 + 51 = ?
What is 73?
Mr. Obrien visited a lighthouse. He climbed 26 stairs. Then he climbs 64 more stairs.
How many stairs did he climb in all?
53 + 12 + 28 = ?
What is 93?
Leslie finds 24 paper clips in her desk. She finds 8 more paper clips in her pencil box.
Choose all the ways you can find how many paper clips Leslie has in all:
A. 24 + 8 B. 24 - 8 C. 24 + 6 + 2
What is A and C?
4 + 9 = ?
What is 13?
13 + 48 = ?
What is 61?
Lauren sees 14 birds. Her friend sees 7 birds. How many birds do Lauren and her friend see?
Draw (ten-y's and one-y's)
What is 21 birds?
11 + 22 + 33 + 44 = ?
What is 110?
Without finding the sum, does the pair of addends have a sum greater than 100?
A. 51 + 92
B. 42 + 27
C. 82 + 33
D. 62 + 14
A. 51 + 92 = YES
B. 42 + 27 = NO
C. 82 + 33 = YES
D. 62 + 14 = NO
7 + 8 = ?
What is 15?
45 + 53 = ?
What is 98?
Jerry has 53 pencils in one drawer. He has 27 pencils in another drawer.
Draw a picture (using ten-y's and one-y's)
What is 80 pencils?
Carlos has 23 red keys, 36 blue keys, and 44 green keys.
How many keys does he have?
What is 103 keys?
23 + 36 + 44 = 103 keys
Nicole made a necklace. She uses 13 red beads and 26 blue beads. Show how you can break apart the addends to find how many beads Nicole used.
1 3 ------> ______ + ______
+2 6 ------> ______ + ______
______ + ______ = _______
What is 39?
9 + 9 = ?
what is 18?
57 + 73 = ?
What is 126?
Matt says he can find the sum of 45 + 50 without rewriting it.
Explain how you can solve this problem using mental math!
What is (possible answer), I know that adding 50 + 45 means that the number of tens in 45 will increase by 5's, so the sum in 95.
Leah put 21 white marbles, 31 black marbles and 7 blue marbles in a bag. Then her sister added 19 yellow marbles.
Write a number sentence to show the number of marbles in the bag.
What is 78?
21 + 31 + 7 +19 = 78
1 extra credit point :)
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