WorksheetsAdding Unknowns
Total questions: 20
Worksheet time: 20mins
860 - _____ = 599
60
1,489
261
200
78 + _______ =404
625
480
326
482
________ + 353 = 391
300
38
744
800
41 + _____ = 258
340
299
217
300
Jordan read 485 pages last month and 391 pages this month. How many pages did Jordan read altogether?
866 pages
876 pages
886 pages
877 pages
Juan has 253 marbles. Ella has 38 more marbles than Juan. How many marbles does Ella have? Ella has (a) marbles.
Sam collected some fall leaves on Sunday. She collected 12 more on Monday. She had 45 leaves in all. How many did she collect on Sunday? Which number sentence would go with this word problem? What is X equal to?
X+12=45
X=33
12+45=X
X=57
12-X=45
X=32
45+12=X
X=53
Pam saw some apples on the tree. Then she noticed 24 apples fell off the tree. Now there are 35 apples left. How many apples were on the tree to begin with? Which number sentence goes with the word problem? What is X equal to?
X+24=35
X=57
35-24=X
X=11
X-24=35
X=59
The second grade class decided to sell candy bars for a fundraiser. They sold 52 candy bars. Now they have 47 candy bars left to sell. How many candy bars did they have to begin with. Which number sentence goes with this word problem? What is X equal to?
47+52=X
X=99
X-47=52
X=82
X-52=47
X=99
Eli planted some seeds in his garden. He decided to plant 31 more. Now he has 59 seeds planted. How many seeds did he plant to begin with it? Which number sentence goes with this word problem? What is X equal to?
X+59=31
X=35
X+31=59
X=28
31-X=59
X=48
Cam donated some pumpkins to the festival. He decided the next day he needed to donate 22 more. Now he has donated 53 pumpkins. How many did he donate on to begin with.
X-22=53
X+22=53
53+22=X
10+ n =18
6
8
10
7
n+15=30
15
25
10
7
17+n=45
38
28
20
17
5 + ___ = 10
2
3
5
8 + __ = 10
1
4
2
4 + ___ = 8
3
2
4
__ + 5 = 7
0
4
2
___ + 3 = 6
2
4
3
1 + __ = 8
3
2
7
