Common-Core/ Grade 7
Maths MCQ Based On Subtract integers using counters
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Common-Core Grade 7 - 7 Subtract integers using counters
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Look at the sign of counters and the operation you need to perform.
You would like to take away 1 positive counter. However, it's not possible to take away 1 positive counter, because there aren't any positive counters in the first group. You can fix this problem by adding 1 pair of positive and negative counters to the first group
Subtraction operation makes a positive counter to a negative one.
Two negative sign together makes a positive.
You would like to take away 1 positive counter. However, it's not possible to take away 1 positive counter, because there aren't any positive counters in the first group. You can fix this problem by adding 1 pair of positive and negative counters to the first group
Adding 4 pairs of positive and negative counters to the first group
Start with the first number and go 3 steps further in negative.
You would like to take away 1 positive counter. However, it's not possible to take away 1 positive counter, because there aren't any positive counters in the first group. You can fix this problem by adding 1 pair of positive and negative counters to the first group
Take away two counters from six.
The subtraction operation makes a positive counter to a negative counter.
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