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Grade-4
Adding Decimals Within 20
Practice Preview
Add and write the correct answer :
1.77
+
12.21
Explanation
Write both numbers, one under the other and make sure the decimal points are lined up. Add zeros so the numbers have the same length
1.77
+
12.21
Solve this as whole number addition and remember to put the decimal point in the answer.
0
0
0
0
1.77
+
12.21
13.98
Progress Summary
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