Directions: Use the digits 1 to 5, at most one time each, to fill in the boxes to create two true number sentences.
What are the largest addends you could use?
What’s an example of numbers you couldn’t use? (such as 3 + 4 = 7)
1 + 2 = 3
1 + 3 = 4
1 + 4 = 5
Be sure to watch for students who use more than one number twice. Number tiles may be useful to prevent this.
Source: Robert Kaplinsky