In this Khan Academy interactive, students will solve addition word problems using …
In this Khan Academy interactive, students will solve addition word problems using objects to represent the problem, when solving "add to - result unknown" problems.
In this Khan Academy iinteractive, students will practice addition and subtraction word …
In this Khan Academy iinteractive, students will practice addition and subtraction word problems, within 20, with result unknown, change unknown, and addend unknown.
In this Khan Academy interactive, students will practice addition and subtraction word …
In this Khan Academy interactive, students will practice addition and subtraction word problems, within 20, with result unknown, change unknown, and addend unknown.
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