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Mental Math

English 6 Public

Adding 4 - digit numbers mentally without regrrrouping

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#mental aaadditon

1500 + 1400 = ?

1900

15

6000 + 555 =?

6555

15

1111 + 3788 = ?

4899

15

5000 + 5000 =?

10000

15

6660 + 3006 =?

9666

15

15