Created by
marialourdesmirasol
คำแนะนำของผู้เขียน
Instructions:
Look at each number carefully and line up the Tens and Ones.
* For addition, add the ones first. If the ones make 10 or more, regroup 10 ones as 1 ten.
* For subtraction, subtract the ones first. If there are not enough ones, regroup 1 ten as 10 ones.
Write the regrouped number in the correct box.
Solve each problem and write the final answer on the line.
Complete all 20 items neatly and independently.
ADDITION AND SUBTRUCTION WITH REGROUPING
Created by
marialourdesmirasol
คำแนะนำของผู้เขียน
Instructions:
Look at each number carefully and line up the Tens and Ones.
* For addition, add the ones first. If the ones make 10 or more, regroup 10 ones as 1 ten.
* For subtraction, subtract the ones first. If there are not enough ones, regroup 1 ten as 10 ones.
Write the regrouped number in the correct box.
Solve each problem and write the final answer on the line.
Complete all 20 items neatly and independently.
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