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Addition and Subtraction

Mathematics

Addition and Subtraction


SOL 3.3ab

a. Estimate and determine the sum or difference of two whole numbers; and
b. Create and solve single-step & multistep practical problems involving sums or differences of two whole numbers, each 9,999 or less.



Using Base Ten Blocks

Solving Word Problems with Thinking Blocks



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IXL Activities


Below is a list of Mr. Bradford's recommended IXL activities for this unit based on Virginia SOLs. Be sure to login on IXL before you begin!


Inverse Relationship of Addition & Subtraction

Properties of Addition

3-Digit Addition

4-Digit Addition

3-Digit Subtraction

4-Digit Subtraction

Word Problems

Multi-Step Word Problems