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Question

Jack has 15 coins in his piggy bank. He wants to save up 20 coins. How many more coins should he add?
15 + ___ = 20


A
15
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B
5
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C
10
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D
0
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Solution

The correct option is B 5
To find the number of coins Jack needs to add, we can use a number line as shown in the given image.


So, Jack needs to save up another 5 coins.

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