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Unit: Addition and subtraction within 20

0

Possible mastery points

Addition within 20

Learn

Practice

Add within 20 visuallyGet 5 of 7 questions to level up!
Add within 20Get 5 of 7 questions to level up!
Add 3 numbersGet 5 of 7 questions to level up!

Subtraction within 20

Learn

Practice

Subtract within 20 visuallyGet 5 of 7 questions to level up!
Subtract within 20Get 5 of 7 questions to level up!

Quiz 1

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

Equal sign

Learn

Equal sign
(Opens a modal)

Practice

Equal signGet 5 of 7 questions to level up!

Missing number within 20

Learn

Missing numbers in addition and subtraction
(Opens a modal)

Practice

Find missing number (add and subtract within 20)Get 5 of 7 questions to level up!

Quiz 2

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

Word problems within 20

Learn

Practice

Addition and subtraction word problems 1Get 5 of 7 questions to level up!
Addition and subtraction word problems 2Get 5 of 7 questions to level up!

Word problems with "more" and "fewer"

Learn

Practice

Add and subtract within 20 word problemsGet 5 of 7 questions to level up!
Word problems with "more" and "fewer" 2Get 5 of 7 questions to level up!

Quiz 3

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

Repeated addition

Learn

Practice

Adding with arraysGet 3 of 4 questions to level up!
Array 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 1300 Mastery points!

About this unit

Learn to add and subtract numbers that are 20 or less.