Count over the 100s boundary (1)

Sometimes quite tricky subtractions can be made easy by counting up. Have a look at these to see why.

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

More subtraction by counting on.

Using counting on to solve subtraction problems, crossing whole hundreds.

Count back in tens from 3-digit numbers.

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