Adding & Subtracting within 1000!

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. For example, in 5 - 2, we take 2 away from 5, which equals 3.

Front

What is addition?

Back

Addition is the process of combining two or more numbers to get a total. For example, in 3 + 2, we combine 3 and 2 to get 5.

Front

What is the result of 300 - 64?

Back

236

Front

What is the result of 634 - 256?

Back

378

Front

What is the result of 890 + 456?

Back

1,346

Front

What is the result of 1,000 - 343?

Back

657

Front

What is the result of 478 + 378?

Back

856

Front

What does the term 'difference' mean in math?

Back

The difference is the result of a subtraction problem. For example, in 10 - 4, the difference is 6.

Front

What does the term 'sum' mean in math?

Back

The sum is the result of an addition problem. For example, in 2 + 3, the sum is 5.

Front

How do you check your subtraction?

Back

You can check subtraction by adding the difference to the smaller number. If it equals the larger number, your subtraction is correct.