Word Problems
7 frogs are sitting beside a pond. Some dragon flies land beside them. There are 15 animals there all together. How many dragon flies are there?
7+______=15
8
1+7=___
8
3+4=_____
7
The answer to an addition problem.
sum
Write one number sentence using the following numbers 3, 4, 1
3+1=4
1+3=4
4-1=3
4-3=1
Mrs. Ling's class sees 9 tigers at the zoo. Ms. Johnson's class sees 8 tigers. How many tigers did they see in all?
9+8=______
17
0+7=_____
7
7+2=_____
9
The answer to a subtraction problem.
difference
Use these numbers to write 2 number sentences 5, 2, 3.
2+3=5
3+2=5
5-3+2
5-2+3
Raul wins 13 chess matches on Saturday and Sunday. He wins 8 on Saturday. How many matches did he win on Sunday?
8+________=13
5
6+______=12
6
23-7=______
16
6+6=12
12-6=6
Doubles
Use these numbers, 4, 2, 6, to write 3 number sentences
4+2=6
2+4=6
6-2=4
6-4=2
David counted 6 chipmunks and 7 rabbits in his yard. 5 of the rabbits hopped away. How many animals does David see now?
6+7=13
13-5=______
8
3
25-5=_____
20
The 7 and 5 in this number sentence
7+5=12
addends
Use these numbers, 12, 3, 9, to create four number sentences.
9+3=12
3+9=12
12-9=3
12-3=9
8 birds land on a tree. 3 birds fly to another tree. Then 1 more flies away. How many birds are on the tree now?
8-3=5
5-1=___
4
_____ - 9= 6
15
13+5=_____
18
There are 3 numbers in every fact_________.
family
Use these numbers, 18, 8, 10, to write four number sentences.
8+10=18
10+8=18
18-10=8
18-8=10