Use a known fact
Kindergarten Math practice: You know 4 and 4 make 8. What is 4 and 5. Part of stretch fact thinking (Stretch Fact Thinking).
~4 min
A known combination can help solve another problem.
Kindergarten Math practice: You know 4 and 4 make 8. What is 4 and 5. Part of stretch fact thinking (Stretch Fact Thinking).
A known combination can help solve another problem.