Word Problems 1
Double and Half
Word Problems 2
Vocab
Misc
100
The coach has 16 tennis balls and 9 ping-pong balls in a bag. How many more tennis balls than ping-pong balls are in the bag?
7 more tennis balls
100
Annie says that 8 +8 is a doubles fact. Do you agree with her? Why or why not?
Yes
100
Sergio packs baseball cards in boxes of 100. How many boxes will Sergio need to pack 1,300 baseball cards?
1,200 baseball cards
100
Any of the numbers that are added together
Addend
100
_______ – _______ = 6
Student answers may vary
200
Ms. Flynn has 215 math and science books in her classroom library. Of the books, 93 are math books. How many books are science books?
122 science books
200
16 – 8 is a Half fact. Write two other Half facts.
EX:
20-10
30-15
200
Mother had 18 pink flowers and 12 yellow flowers in the yard. She cut some and put them in a vase above the fireplace. Now she only has 6 flowers left. How many flowers did she cut?
24 flowers are left
200
the result of adding two or more numbers together
Sum
200
4 + 8 + 2 + 6 = ________
20
300
Sara measured a poster. The first side of the poster was 81 cm long. The second side was 53 cm long. How much longer was the first side than the second side of the poster?
28 CM
300
Della says that 7 + 8 is a Doubles Plus One fact. Do you agree with Della? Why or why not?
Yes! 7+7 = 14 and if you just add one more you get 15. 7+7 is a doubles fact.
300
If I have 74 stickers in my collection at home and 29 stickers in my collection at school, about how many stickers do I have altogether?
103 stickers
300
when you add zero to any number, the sum remains that number
Identity Property
300
________ = 20 – 11
9
400
Sam drew a line that was 48 cm long. Then, he decided he wanted a longer line, so he added some more to it. When he was finished, his line was 73 cm long. How many centimeters did he add to his line?
25 CM
400
Josh says that all the Doubles facts (6 + 6) have even sums. Do you agree with Josh? Why or why not
True!
even + even = even
and
odd + odd = even
400
Barbara has three chickens. Last week they each laid 5 eggs, and this week they each laid 6 eggs. Barbara gave 9 eggs away and used 8 of the eggs for making breakfasts and cookies. How many eggs does she have left?
16 eggs
400
changing the order of the addends in an addition sentence does not change the sum
Commutative Property
400
7 + 8 = ________ + 9
6
500
On Friday, 278 children came to the museum. If 126 less adults than children came to the museum, how many adults came to the museum?
152 Adults
500
Write an example of a doubles plus one fact.
Examples:
5+6
4+5
10+ 11
500
Rosa read 129 pages last week and 124 pages this week. Amy read 127 pages last week and 109 pages this week. Who read more pages in all during this week and last week? How many more pages did she read?
Rosa read 253
Amy read 236
Rosa read 17 more pages
500
changing the grouping of 3 or more addends does not change the sum
(2 + 3) + 4 = 2 + (3 + 4)
Associative property
500
Paul watched an ant walk this path. How far did the ant walk?
99mm