Learn Doubles Facts
1st Grade Math practice: What is the sum of 5 + 5. Part of addition strategies: within 20 (Addition Strategies: Within 20).
~7 min
When you add a number to itself, it's a double! 2 + 2 = 4. What is 3 + 3?
1st Grade Math practice: What is the sum of 5 + 5. Part of addition strategies: within 20 (Addition Strategies: Within 20).
When you add a number to itself, it's a double! 2 + 2 = 4. What is 3 + 3?