Subtraction Lesson 3.5

Lesson 3.5

Subtraction

Subtraction steps

When you subtract you want to have a pen and a note book. The next step is to make sure you know addition before trying subtraction. Then you want to have the greater number on top and the lower number on the bottom. This is where your paper and pen are going to help you, you need to put the problem your solving on the paper and start with the ones place to the tens place.

Subtraction

• Make sure you know addition before trying subtraction.

• Make sure you check your answers.

Multiple Choice

Amy has 15 cards for Christmas, she needs to have 25 Christmas cards. How many more does Amy need to have 25 Christmas card.

• 13

• 15

• 10

• 23

Multiple Choice

100-56=

• 44

• 56

• 10

• 15

Multiple Select

What is 65-23 equal?

• 42

• 25

• 56

• 7

Fill in the Blanks

When you blank the bigger number goes on top.

Poll

What number goes first for subtraction

• Bigger number

• Smaller number

• Doesn't matter

• None

Open Ended

How do you feel about subtraction and what do you still need help on.