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5th grade

Course: 5th grade > Unit 9

Lesson 3: Divide decimals by whole numbers

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Divide decimals by whole numbers

CCSS.Math: 5.NBT.B.7

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Husam tried to evaluate 16, point, 8, divided by, 8 using place value, but he made a mistake.

Here is Husam's work.

Step	Work
	16, point, 8, divided by, 8
Step 1	168, start text, space, h, u, n, d, r, e, d, t, h, s, end text, divided by, 8
Step 2	21, start text, space, h, u, n, d, r, e, d, t, h, s, end text
Step 3	0, point, 21

What mistake did Husam make?

(Choice A)
16, point, 8 is 168 tenths, not 168 hundredths.
(Choice B)
168 hundredthsdivided by, 8 is 20 hundredths, not 21 hundredths.
(Choice C)
21 hundredths is 2, point, 1, not 0, point, 21.

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