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Break apart ones to make a ten then add and write a sum 23+9
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Break apart ones to make a ten then add and write a sum 23+9

User Luckyfool
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ok so

you can make a 10 with the 9

23+9=20+3+9=20+2+1+9=20+2+10=20+10+2=30+2=32
User Chad Schultz
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