Ten Times or One Tenth
Compare the shaded digits. How many times as much is the first one, or what part of the second one is it?
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This is sheet #181824601.
How to do it
- Find the place of each shaded digit.
- Count how many places apart they are.
- Write how many times as much, or what part of it.
Teaching tip
Have your student write the value of each shaded digit first, like 90 and 0.9. Then compare the values. This sheet is aligned with Common Core 5.NBT.A.2.
About this worksheet
Pairs of numbers with the same digit shaded, to compare, like "the 9 in 98.6 is 100 times as much as the 9 in 0.9." Fewer has 6 pairs one place apart, Standard has 8 up to two places apart, and More has 10 down to thousandths. Includes an answer key.
What kids practice
In 4th grade, students saw that a digit is worth 10 times as much one place to the left. Now that works for decimals too, and going right, a digit is worth 1/10 as much. Students also learn exponents for powers of 10: 10³ means 10 × 10 × 10, which is 1,000. The exponent tells how many tens are multiplied, and how many zeros the number has. Then they multiply and divide by 10, 100 and 1,000, moving each digit one place for every zero.
Watch for
- Reading 10³ as 10 × 3 = 30.
- Counting a place to the right as 10 times bigger instead of 1/10 as big.
- Losing track of the places when a decimal point is in the way.
- Mixing up 10 times and 100 times when the digits are two places apart.
- Adding a zero to the end of a decimal to multiply by 10, like 3.4 × 10 = 3.40.
It's free to print, with Fewer, Standard or More on the page and an answer key. See the full powers of 10 guide for 5th grade.
More sheets in this set
- See it all
1. How Powers of 10 Work10¹ to 10⁴ written as exponents, as multiplication and as numbers, and a place value chart from thousands to thousandths showing 10 times as much to the left and 1/10 as much to the right. 
2. Exponents of 10Rows that show a power of 10 one way, to fill in the other two ways. Fewer has 6 rows up to 10³, Standard has 8 up to 10⁵, and More has 10 up to 10⁶ with problems like 4 × 10² and 80,000 = 8 × 10⁴. Includes an answer key.- See it all
4. How to Multiply and Divide by Powers of 103.45 × 100 and 72 ÷ 1,000 shown on place value charts, with each digit moving to its new place and zeros filling the empty places. 
5. Multiply and Divide by 10, 100 and 1,000Multiplication and division by 10, 100 and 1,000, mixed on every sheet. Fewer has 10 problems with whole numbers, Standard has 12 with decimals, and More has 14 written with exponents, like 2.72 × 10³. Includes an answer key.
6. Find the Power of 10Missing-number problems like 39.3 ÷ ___ = 0.393, plus × and ÷ patterns to finish. Fewer uses whole numbers, Standard uses decimals, and More asks for the exponent. Includes an answer key.