Number bonds - sums with 9
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Free printable Number bonds - sums with 9 worksheets for 1st grade. Students decompose 9 in all possible ways using number bond diagrams, reinforcing addition facts and the part-part-whole concept. Directly supports the 'adding to 9' strategy by making the decompositions visible. Part of our addition worksheets collection.
What You'll Learn
- Find pairs of numbers that combine to make 9
- Complete number bond diagrams with sums of 9
- Build fluency with all addition combinations summing to 9
FAQ
What mental math strategy relies heavily on knowing decompositions of 9?⌄
The 'make a ten' strategy for adding 9 (e.g., 9+6: move 1 from 6 to 9 to make 10+5=15) is powered by knowing that 9 and 1 make 10.
How many distinct number bonds does the number 9 have?⌄
There are 10 number bonds for 9: (0,9), (1,8), (2,7), (3,6), (4,5), (5,4), (6,3), (7,2), (8,1), (9,0) — each representing an addition or subtraction fact pair.
Should number bonds for 9 be introduced before or after number bonds for 10?⌄
Many teachers introduce 10 first since it has the most visual clarity, then move to 9 as students apply the make-ten decompositions they already know.
Ratings & Reviews
3Sarah K.
Kindergarten Teacher · Verified download
So excited for this to be ready! My students really need more practice with this topic.
Helpful · 11
Tom B.
Learning Specialist · Verified download
This will be a great addition. I already recommend ClassWeekly to all the families I work with.
Helpful · 10
Priya N.
Kindergarten Teacher · Verified download
This is going straight into my lesson plans the second it drops. Please prioritize this one!
Helpful · 13
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