Find unknowns in number sentences and problems involving addition, subtraction and multiplication. 0206.3.7

Links verified on 12/30/2014

1. Matching Pictures to Number Sentences - study each picture and then click on the number sentence that describes the picture
2. My Backpack - Students add columns and find missing numbers using data generated from a chart.
3. Sum Sense (Addition) - Students practice single digit addition by dragging numbers to complete the sentence.
4. Sum Sense (Subtraction) - Students practice single digit subtraction by dragging numbers to complete the sentence.
5. Walrus World - learn strategies for solving real world problems