Use the number line to add 3 + 4. What is the sum?
What is 6 + 6?
Which equations add up to 9?
Use counters to add 5 + 2. Draw how you used them.
5 + 4 is 10.
Explain how you would use an open number line to add 7 + 3.
Start with 6 and count on 3 more. What number do you reach?