Break Apart to subtract

Multiple Choice

What is the number line strategy?

• Using a number line and taking away friendly numbers
• using a number line and taking away random numbers
• stacking the numbers
• expanding the numbers and subtracting the place value

Multiple Choice

What is the base ten blocks method?

• drawing tens that add up to your number
• stacking the numbers and then subtracting
• drawing squares, lines and dots that create the big number your subtracting
• drawing a number line and subtracting friendly numbers

Multiple Choice

What is the stacked numbers method?

• putting the numbers next to each other and then subtracting
• drawing a number line and taking away friendly numbers
• drawing boxes, lines, and dots to create the big number you are subtracting from
• stacking the numbers neatly on top of each other and then subtracting

​Addition and Subtraction are Related!

What is a fact family?

How do fact families for addition and subtraction help you solve a subtraction problem?​

What number (the biggest or the smallest) starts a subtraction problem ALWAYS?​

Can you use addition to check your subtraction answer?​

Some text here about the topic of discussion

Multiple Choice

How would you rearrange this to find the missing number?

• 9 - 15 = ?
• ? - 9 = 15
• 15 - 9 = ?
• 9 + 15 = ?

Multiple Choice

410 + ? = 956

• 556
• 546
• 456
• 446

Multiple Choice

What equation can be used to check 819 - 298 = 521?

• 521 + 819 = 298
• 298 + 819 = 521
• 298 - 819 = 521
• 521 + 298 = 819

​Solve the following problems using a strategy that makes the most sense.

Remember to decide- can you subtract without regrouping, first!

Fill in the Blanks

Nyah is in a race and has ran 132 laps around the track and needs to get to 345. How many more laps does she need to run to finish her race?

Fill in the Blanks

Josh and Camden were on a trip

to Florida. So far they have traveled 478 miles. The total trip is 722 miles. How many more miles do they need to travel to get to Florida?

Multiple Select

Will and Darren were on a bike ride to Beadle Lake Elementary. The trip is a total of 271 miles and they have already gone 156 miles. How many more miles do they need to travel to get to the school?

• 115

• 151

• 427