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Main content

Unit: Get ready for addition, subtraction, and estimation

0

Possible mastery points

Rounding to the nearest 10 or 100

Learn

Practice

Round to nearest 10 or 100 on the number lineGet 5 of 7 questions to level up!
Round to nearest 10 or 100Get 3 of 4 questions to level up!

Quiz 1

Level up on the above skills and collect up to 160 Mastery points

Strategies for adding two and three-digit numbers

Learn

Practice

Break apart 3-digit addition problemsGet 3 of 4 questions to level up!
Add using groups of 10 and 100Get 3 of 4 questions to level up!
Select strategies for adding within 1000Get 3 of 4 questions to level up!

Strategies for subtracting two and three-digit numbers

Learn

Practice

Break apart 3-digit subtraction problemsGet 3 of 4 questions to level up!
Select strategies for subtracting within 1000Get 3 of 4 questions to level up!

Quiz 2

Level up on the above skills and collect up to 400 Mastery points

Adding and subtracting within 1,000

Learn

Practice

Add within 1000Get 3 of 4 questions to level up!
Subtract within 1000Get 3 of 4 questions to level up!

Quiz 3

Level up on the above skills and collect up to 160 Mastery points

Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 900 Mastery points!