Adding using combinations of 10
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Free printable Adding using combinations of 10 worksheets for 1st grade. Students apply their knowledge of number bonds for 10 to solve addition problems by making a ten first, then adding the remainder. One of the most powerful mental math strategies in 1st grade. Part of our addition worksheets collection.
What You'll Learn
- Use combinations of 10 as a strategy to add larger numbers
- Decompose addends to make a ten before adding the rest
- Apply make-ten strategy to solve addition problems efficiently
FAQ
What is the 'combinations of 10' addition strategy?⌄
Students decompose one addend to complete a group of 10 with the other, then add the leftover — for example, 8+5 becomes 8+2+3 = 10+3 = 13.
What prerequisite knowledge do students need before using combinations of 10 to add?⌄
Students must know all number bond partners for 10 automatically and be able to decompose a single-digit number into two parts fluently.
How does practicing combinations of 10 help with larger number addition later?⌄
The same logic extends to two-digit addition — making the next ten from 38 by adding 2 is a direct application of the same strategy at a larger scale.
Ratings & Reviews
3David L.
2nd Grade Teacher · Verified download
Looking forward to this! All the other ClassWeekly worksheets are excellent so I know this will be too.
Helpful · 8
Jamie T.
1st Grade Teacher · Verified download
Thanks for creating this! I'll be using it the moment it's available.
Helpful · 4
Emily W.
Homeschool parent · Verified download
Excited for this one! I've been hunting for a good printable on this topic for weeks.
Helpful · 9
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