1211_DOL_2.4B_Subtraction_

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 does the term 'difference' mean in subtraction?

Back

The difference is the result of subtracting one number from another.

Front

Solve: 200 - 56 = ?

Back

144

Front

Solve: 100 - 61 = ?

Back

39

Front

What is a place value chart?

Back

A place value chart is a tool that helps us understand the value of each digit in a number based on its position.

Front

What does 'unbundle' mean in subtraction?

Back

Unbundling means breaking apart a group of ten to help with subtraction when you don't have enough in one place value.

Front

Why is it helpful to check your work by adding the answer back?

Back

Adding the answer back helps to verify that the subtraction was done correctly.

Front

Solve: 200 - 91 = ?

Back

109

Front

If Tommy has $200 and buys a game for $88, how much does he have left?

Back

$112

Front

What is the first step in solving a subtraction problem?

Back

The first step is to line up the numbers by their place values.