Subtraction

Subtraction is

• starting with the sum

• starting with how much you will take away

• starting with what is left

• starting with the total

The top number in a subtraction problem MUST be the

• smallest number

• the largest number

• what is left

• how much more

Subtraction is starting with the Total, Taking some away, and trying to find:

• how much you have altogether

• how many you have in all

• Which number is more

• how much is left

Which of these is NOT one of the answers to a subtraction problem.

• How much more

• How much less

• How much is left

• How many combined

• The difference

If you estimate the difference, what do you have to do FIRST?

• subtract

• add

• guess

• round

Subtraction is:

• looking at 2 things

• looking at 4 things

• comparing 2 things

• comparing 4 things

When you subtract decimals, you MUST _____ _____ the decimal points.

• ignore all

• move both

• line up

• keep some of

Some words that end in "____" can be a clue that you will subtract!

• "ing"

• "er"

• "ed"

• "es"

Which of these words could mean subtraction?

Which person is __________________ ?

• sadder

• happier

• madder

• taller

IF a word that ends in "er" is a subtraction word, you must be able to ____________________ it!!!!

• see it

• measure it

• agree with it

• know it