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Keenya uses a Tenths Helper to show tenths. First she places 12 skinnies on the chart. She counts by tenths as she places each skinny. Then, she records the value of 12 skinnies on the chart.
Use skinnies and the Tenths Helper page from the Student Activity Book to complete Questions 19–24. Use the skinnies to show each number, then record its value on the chart in more than one way.
- 17 skinnies
- 4 skinnies
- 15 skinnies
- 9 skinnies
- 1 skinny
- 16 skinnies
- 18 skinnies
- What number is represented on each row of your Tenths Helper? Fill in the missing values on your Tenths Helper.
- Show 0.8 on your Tenths Helper. Take away one-tenth. What number is one-tenth smaller than eight-tenths?
- Show 0.8 on your Tenths Helper again. What number is 0.1 more than 0.8?