Posted by **dw** on Wednesday, June 6, 2012 at 4:14pm.

1- Michael used addition to find 8*100 and he said product is 80. What did he do wrong?

my son did it- the product is not 80 it's 800. 8*100=800

- 3 grade math ms sue -
**Ms. Sue**, Wednesday, June 6, 2012 at 4:21pm
Your son is right. He multiplied the two numbers.

- 3 grade math ms sue -
**dw**, Wednesday, June 6, 2012 at 5:20pm
thank you very much

- 3 grade math ms sue -
**Ms. Sue**, Wednesday, June 6, 2012 at 5:21pm
You're very welcome.

- 3 grade math ms sue -
**Kaylee**, Friday, June 8, 2012 at 7:51pm
Yes, your son did it right.

- 3 grade math ms sue -
**Anonymous**, Wednesday, August 22, 2012 at 5:48pm
Explain how you would write the number that is 2 tens more than 53

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