🍕 5th grade math · Fractions & Decimals

Move the decimal point

Times 10, 100, 1000 moves the point right. Divided by moves it left.

Worked example

2.4 × 100 = ?

Answer: 240

Multiplying by 100 moves the decimal point 2 places to the right. 2.4 × 100 = 240. Answer: 240.

For grown-ups: Multiply/divide by powers of 10 (decimal-point shift). Below: three problems to try with the worked answers, and a free printable sheet. Children can practise the same skill as a game, with no sign-up and no ads.

CCSS 5.NBT.A.2

What this practises, for teachers

Practices multiply/divide by powers of 10 (decimal-point shift) (5.NBT.A.2). A printable sheet with its answer key, worked answers on the page, no accounts.

▶ Practise it

For your class

🖨️ Printable sheet and key

On the board with this skill:

Place value chart

More printables, with answer keys, for this grade:

Adding decimals

Try three

9.4 × 10 = ?
Show the answer and how
Answer: 94
Multiplying by 10 moves the decimal point 1 place to the right. 9.4 × 10 = 94. Answer: 94.
72 ÷ 10 = ?
Show the answer and how
Answer: 7.2
Dividing by 10 moves the decimal point 1 place to the left. The answer is 7.2. Answer: 7.2.
4.1 × 7 = ?
Show the answer and how
Answer: 28.7
Multiply as if there were no decimal point: 41 × 7 = 287. Then put the point back, 1 place from the right: 28.7. Answer: 28.7.

Before and after

Learn first: Decimals to thousandths (5th)

Comes next: Add and multiply decimals (5th)

Name: ____________________Date: ____________Score: ____ / 12

Move the decimal point (5th grade)

8.0 × 100 = ?
483 ÷ 1,000 = ?
5.4 × 10 = ?
380 ÷ 10 = ?
183 ÷ 100 = ?
5.5 × 100 = ?
6.9 × 10 = ?
9.2 × 10 = ?
0.21 × 1,000 = ?
7.5 × 10 = ?
2.46 ÷ 3 = ?
5.7 × 1,000 = ?

Answer key

800
0.483
54
38
1.83
550
69
92
210
75
0.82
5700