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Unit: Addition and subtraction without regrouping

0

Possible mastery points

Adding 1s and 10s

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Practice

Add 1 or 10Get 5 of 7 questions to level up!
Add 1s or 10s (no regrouping)Get 5 of 7 questions to level up!

Subtracting 1s and 10s

Learn

Practice

Subtract 1 or 10Get 5 of 7 questions to level up!
Subtracting 1s or 10s (no regrouping)Get 5 of 7 questions to level up!

Quiz 1

Level up on the above skills and collect up to 320 Mastery points

Adding without regrouping

Learn

Practice

Adding up to four 2-digit numbersGet 3 of 4 questions to level up!
Break apart 2-digit addition problemsGet 3 of 4 questions to level up!

Subtracting without regrouping

Learn

Subtracting two-digit numbers without regrouping
(Opens a modal)

Quiz 2

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

Addition and subtraction using number line

Learn

Practice

Add within 100 using a number lineGet 3 of 4 questions to level up!
Subtract within 100 using a number lineGet 3 of 4 questions to level up!
Add and subtract on the number line word problemsGet 3 of 4 questions to level up!

Up next for you:

Unit test

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