Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Three or More Numbers

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] This is a set of practice problems where students are given word problems where they have to add or subtract 3 or more 1-digit numbers.
Activity
NumberNut

Number Nut: Addition: More Than Two Addends

For Students 3rd - 5th
Explains how to add three or more multi-digit numbers.
Activity
NumberNut

Number Nut: Multiplication: 3 Digit Numbers

For Students 3rd - 5th Standards
Did you know that you need to add a zero at the end of a numbers when you multiply two or more times; one zero for the tens number and two zeros for the hundreds.? Review the examples and then practices your skills with the two...

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