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Adding Big Numbers Worksheet
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Adding Big Numbers Worksheet
Add five-digit numbers using place value and regrouping. Estimate sums to check whether answers are reasonable. Show your working for each calculation.
Add with regrouping
1.Calculate 37,658 + 26,795. Show regrouping in your working.
2.Calculate 58,274 + 16,938. Show your place-value working.
3.Add 43,586 and 28,749. Record any regrouping you need.
4.When adding in a place-value column, why might you regroup ten ones as one ten, or ten tens as one hundred?
Estimate and solve
5.Round each number to the nearest thousand to estimate 64,382 + 18,746. Then find the exact sum.
6.At a bike repair shop, Evie counted 32,485 replacement parts in storage and Oliver counted 27,968 parts in a new delivery. How many parts were there altogether?
7.Add the three five-digit numbers: 26,438 + 18,657 + 34,925.
8.Check the sum of 26,438 + 18,657 + 34,925 by rounding each number to the nearest ten thousand. Is the exact total close to your estimate?
Create and explain
9.Write two five-digit numbers whose addition requires regrouping in at least three columns. Calculate their sum.
10.Describe the steps you would use to add the two numbers you created. Include how you handle regrouping.
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