Addition Within 20 Worksheet Page 29

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Answer Key
Name:
Addition within 20
Solve each problem.
A n s w e r s
1)
A farmer planted nine seeds on Wednesday and another four
Add To
(Result Unknown)
seeds on Thursday. How many seeds did he plant total?
13
1.
17
2.
2)
A pet store had fourteen kittens. If they got another three
Add To
kittens, how many would they have total?
(Result Unknown)
11
3.
3)
Adam was playing basketball with his friend. Adam scored nine
13
Add To
4.
points and his friend scored two points. How many points did
(Result Unknown)
they score total?
16
5.
4)
Victor collected eight seashells from the beach on Monday and
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five more on Tuesday. How many seashells did Victor collect
16
(Result Unknown)
6.
all together?
10
5)
Luke owned ten video games. For his birthday he got six more.
7.
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How many games did Luke have total?
(Result Unknown)
13
8.
6)
Sarah picked up nine pieces of paper from the floor. If Henry
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6
9.
(Result Unknown)
picked up seven pieces, how many did they pick up total?
15
10.
7)
Gwen drank five bottles of water in the morning and five in the
Add To
afternoon. How many bottles did Gwen drink total?
(Result Unknown)
5
11.
14
8)
Paul had $7. For his allowance he got another $6. How much
Add To
12.
money does he have total?
(Result Unknown)
9)
Oliver has three shirts. Later he bought three more shirts. How
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(Result Unknown)
many shirts does Oliver have total?
10)
Janet had thirteen pieces of candy. Her friend gave her two
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more pieces. How many pieces of candy did Janet have total?
(Result Unknown)
11)
Robin had three fish and her sister had two fish. How many fish
Add To
(Result Unknown)
did they have total?
12)
Lana watched TV for seven hours on Saturday and seven hours
Add To
on Sunday. How many hours did Lana watch TV total?
(Result Unknown)
1-10 92 83 75 67 58 50 42 33 25 17
Math
10
11-12 8
0

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