Doubles Plus 1 Strategy
Practice the doubles plus 1 addition strategy with this worksheet for grade 2 students.
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Doubles Plus 1 Addition Strategy
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Use the 'Doubles Plus 1' strategy to solve the addition problems below. Remember, a doubles fact is when you add a number to itself (e.g., 3 + 3). Doubles plus 1 means you add one more to a doubles fact (e.g., 3 + 3 + 1, or 3 + 4).
1. If 2 + 2 = 4, then 2 + 3 =
2. If 4 + 4 = 8, then 4 + 5 =
3. If 6 + 6 = 12, then 6 + 7 =
4. If 8 + 8 = 16, then 8 + 9 =
5. If 5 + 5 = 10, then 5 + 6 =
6. Solve: 3 + 4 = ?
Show how you used the 'doubles plus 1' strategy:
7. Solve: 7 + 8 = ?
Show how you used the 'doubles plus 1' strategy:
8. Which doubles fact helps you solve 9 + 10?
9 + 9
10 + 10
9 + 1
1 + 1
9. If 0 + 0 = 0, then what is 0 + 1?
0
1
2
10
10. The 'doubles plus 1' strategy only works for numbers up to 5.
True
False
11. Use the number line to show 5 + 6 using the 'doubles plus 1' strategy. Circle the doubles fact first, then show adding 1.