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Mathematics 13 Online
jamescareypierce2008:

Aisha changed 1.45 + 2.38 to 1.5 + 2.4 in order to estimate the sum. What estimation method did she use?

Maxine:

What did she do to the 0.38 to make it a 0.4?

jamescareypierce2008:

round to the nearest hundreth or tenth

Maxine:

Correct

Maxine:

she would round up

jamescareypierce2008:

so which is it

jamescareypierce2008:

hmm

Maxine:

So 2.38 would go to 2.4 so probably if I am correct tenths

jamescareypierce2008:

ill let u know what i make on my test

Maxine:

ok

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