Start Unknown addition word problems pack - TEN different word problems activity sheets for start unknown problems. 7 are for addition to 10 and 3 are for addition to 20. On each word problem sheet, students represent the problem by drawing a picture, solving it on a number line, making a ten (or twenty) frame, writing a number sentence for the problem, and writing the answer. These activities allow students to see the problem in more than one way to make more sense of it and understand their problem solving better.
I also have:
Start Unknown Subtraction Word Problems Pack
Change Unknown Addition Word Problems
Change Unknown Subtraction Word Problems
If you like those packs, I also have these varieties:
Addition to 10 Word Problems Pack
Addition to 20 Word Problems Pack
Subtraction Within 10 Word Problems Pack
Subtraction within 20 Word Problems Pack
Adding 3 Numbers Word Problems Pack
Save over 30% by buying all 5 of these packs in the bundle!
Word Problem Packs Bundle
For more Missing Addends practice, check out my HUGE math unit addressing it:
First Grade Math Unit 7