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Mental Addition Adding 3-Digit, Missing Addend: Math Center Practice Workbook Mental Addition Drill for Grade 2nd-4th Age 7-10 Years
Mental Math, 3 Digit Addition, 3 Digit by 1 Addition With Regrouping
These addition worksheets are on adding 3-digit (up to 999) and 1-digit ( up to 9) numbers, adding three 2-digit (up to 99) numbers, must find the missing number in each addition equation. For a challenge, students/children should try to figure out the answers mentally without having to write down intermediary steps. Students/children should figure out the answers mentally.
These worksheets
Add a 3-digit number and a 1-digit number
Add three 2-digit numbers
Missing addend
Missing addend-harder
Answer key
Common Core State
2.NBT.B.7
2.NBT.B.8
3.NBT.A.2
These addition worksheets are on adding 3-digit (up to 999) and 1-digit ( up to 9) numbers, adding three 2-digit (up to 99) numbers, must find the missing number in each addition equation. For a challenge, students/children should try to figure out the answers mentally without having to write down intermediary steps. Students/children should figure out the answers mentally.
These worksheets
Add a 3-digit number and a 1-digit number
Add three 2-digit numbers
Missing addend
Missing addend-harder
Answer key
Common Core State
2.NBT.B.7
2.NBT.B.8
3.NBT.A.2
83 pages, Paperback
Published July 29, 2022
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