Unit 10 Contents

1. Use base-ten pieces to make 0.1 and 0.2.
2. Use base-ten pieces to make a number more than 0.1 but less than 0.2. Use base-ten shorthand to show the pieces you used. Then write your number as both a decimal number and a common fraction.
1. Use base-ten pieces to make 2.5 and 2.6.
2. Use base-ten pieces to make a number more than 2.5 but less than 2.6. Use base-ten shorthand to show the pieces you used. Then write your number.

Adding a Bit (0.01) and a Skinny (0.1)

Use a meterstick, skinnies, and bits for Questions 16–25. A flat and a meterstick each show one whole.

16. Luis grabbed 2 skinnies and 8 bits in his handful for Question 11.

1. What number did Luis grab? Write your answer as a decimal.
2. Luis added one more bit to his handful. Write the number for one bit, the number he added, as a decimal.
3. Write the number he added as a fraction.
4. Write Luis's sum as a decimal.
5. Write a number sentence for Luis's sum.
17. Locate your answers to Questions 16A and 16D on a meterstick. A meterstick is one whole.
18. Luis started with 0.29 and added one skinny to his handful.
1. What number did he add? Write your answer as a decimal.
2. Write the number he added as a fraction.
3. Write Luis's sum as a number sentence with decimals.
4. Locate Luis's sum in Question 18C on a meterstick.
1. Write a number sentence for adding one skinny and one bit using decimals. What does each number in the sentence mean?
2. Write a number sentence for adding one skinny and one bit using common fractions.
20. Use a meterstick or skinnies and bits to find the following:
1. 0.1 more than 0.35
2. 0.01 more than 0.35
3. 0.1 more than 0.05
4. 0.01 more than 0.05