Subtracting multiples of 10 from 3-digit numbers

Subtracting multiples of 10 from 3-digit numbers.

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Remember that subtractions can also be done by subtracting the nearest whole ten and adjusting.

Try taking away a single digit from a 3-digit number. These include taking away from whole hundreds which can be quite tricky.

Write a digit in each box so that the calculation is correct. look for patterns.

Skills to help with fast mental arithmetic.

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