Adding 3 to 4 digit numbers with regrouping

Find the sum of 7218 and 1219.

Find the sum of 8410 and 625.

Find the sum of 4919 and 4160.

Find the sum of 7411 and 1804.

Find the sum of 6275 and 30.

Jacob owns a two-story house. In April, the consumption of electricity was 580 units. The electricity meter recorded 650 units in May and 834 in July. How much electricity was consumed in all?

• 2064 units

• 2165 units

• 2063 units

• 2164 units

How do we add numbers with regrouping?

 Where do we start adding?

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What do we do when the answer in each column is more than nine?

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