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Topic 6
Mental Addition
Term | Definition |
---|---|
mental math | math you do in your head |
tens digit | the digit that tells how many tens are in a number |
next ten | the multiple of ten that is one ten more than the value of the tens digit in a given number |
sum | the amount in all after you add |
add | join groups together |
addition sentence | sentence showing numbers added together to equal a sum example: 3+4=7 |
addend | the numbers that are added |