How to subtract even numbers

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ACT Math › How to subtract even numbers

Questions 1 - 3
1

Solve:

Explanation

1. First subtract the ones digits:

So the ones digit will be a 0.

2. Next subtract the tens digit borrowing the 1 from the hundreds digit:

So the tens digit will be a 6.

3. Add the tens and ones digits together:

2

Solve:

Explanation

1. First subtract the ones digits borrowing a 1 from the tens digit:

So the ones digit will be a 6.

2. Next subtract the tens digit borrowing the 1 from the hundreds digit:

So the tens digit will be a 8.

3. Next add the hundreds, tens and ones digits together:

3

Evaluate:

Explanation

First solve by evaluating the ones digit. Carry over a 1 from the so that the value of the ones digit can be evaluated.

After the carry over, the becomes a . This value will be used for the tens digit of the next term. The hundreds digit will become zero.

Evaluate the tens digit.

Combine the tens digit and the ones digit.

The final answer is .

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