Sums to 20
Master addition with sums up to 20
What You'll Learn
- Add any single-digit numbers with sums up to 20
- Use multiple strategies (counting on, making 10, doubles)
- Build fluency with all basic addition facts
📖All the Way to 20
You can now add numbers to get answers as high as 20! Numbers like 16, 17, 18, 19, and 20 are the biggest sums we will make.
📖Using Doubles Plus One
For 7 + 8, think: 7 + 7 = 14 (a double), and 8 is one more than 7, so 7 + 8 = 15!
📖Choose Your Strategy
By now you know many ways to add: counting on, making 10, using doubles. Pick the strategy that works best for each problem!
💡
Practice makes perfect! The more you practice, the faster you will be able to recall these facts.
Practice Worksheets
Sums to 20 (Set A)
Practice addition with sums up to 20
12 problemsStart
Sums to 20 (Set B)
More practice with sums to 20
12 problemsStart
Sums to 20 (Set C)
Additional drill with sums to 20
12 problemsStart
Sums to 20 (Set D)
Keep practicing sums to 20
12 problemsStart
Sums to 20 (Set E)
More sums to 20 practice
12 problemsStart
Sums to 20 (Set F)
Master sums to 20
12 problemsStart