Do I Add or Subtract?

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. It shows how many are left after some have been taken away.

Front

What is addition?

Back

Addition is the process of combining two or more numbers to find the total. It shows how many there are altogether.

Front

If you have 10 apples and you give away 3, how many do you have left?

Back

10 - 3 = 7 apples left.

Front

If you have 5 balloons and you get 4 more, how many balloons do you have now?

Back

5 + 4 = 9 balloons.

Front

What does it mean to find the difference between two numbers?

Back

Finding the difference means using subtraction to see how much one number is less than another.

Front

What does it mean to find the sum of two numbers?

Back

Finding the sum means using addition to combine two numbers to get a total.

Front

If a store had 200 toys and sold 50, how many toys are left?

Back

200 - 50 = 150 toys left.

Front

If a garden has 30 flowers and 15 more are planted, how many flowers are there now?

Back

30 + 15 = 45 flowers.

Front

What is the first step in solving a word problem?

Back

Read the problem carefully to understand what is being asked.

Front

How do you decide whether to add or subtract in a word problem?

Back

Look for keywords: 'more' or 'total' usually means add, while 'left' or 'gave away' usually means subtract.