Common-Core/ Grade 2
Maths MCQ Based On Complete the sentence by subtraction up to two digits
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Common-Core Grade 2 - 2 Complete the sentence by subtraction up to two digits
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Use an inverse.
Find the number that makes the subtraction sentence true.
? – 15 = 8
Add 15 to both sides:
? – 15 + 15 = 8 + 15
? = 23
The missing number is 23.
Use the inverse.
The keyword is left.
Find the number that makes the subtraction sentence true.
16 - ? = 8
Subtract 8 from both sides:
16 - ? - 8 = 8 - 8
8 - ? = 0
Now, find the number that goes in the blank space. Remember, when a number is subtracted from itself, the difference is zero. The number in the blank space must be 8.
The missing number is 8.
Context of the question is important.
Find the number that makes the subtraction sentence true.
? - 27 = 45
Add 27 to both sides:
? - 27 + 27 = 45 + 27
? = 72
The missing number is 72.
Use the inverse.
Think of two digit number carefully or try adding 12 and 8.
Find the number that makes the subtraction sentence true.
? - 56 = 27
Add 56 to both sides:
? - 56 + 56 = 27 + 56
? = 83
The missing number is 83.
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