Unit 4 Contents

Base-Ten Shorthand

Sometimes it is useful to solve problems using base-ten pieces. Other times, drawing a picture of base-ten pieces is helpful. Mr. Haddad decided to use a shorthand for the base-ten pieces.

1. Joe says there are often several ways to show an amount of candy using base-ten pieces. For example, 26 can be shown as:

How many tens?		How many tens?
	or
How many ones?		How many ones?

2. There is one more way 26 can be shown using base-ten pieces. What is this third way? Use base-ten shorthand to sketch your answer. Write a number sentence.
10. Use base-ten shorthand to show the number of candies Rhonda and Joe had in Questions 1–6.
11. The workers at the TIMS Candy Company recorded the amount of candy they made. Sketch each amount, using base-ten shorthand. Write a number sentence to match your shorthand.
1. 356
2. 4206
3. 240
4. 3005
12. One way to show 352, using base-ten shorthand and a number sentence is:
300 + 40 + 12 = 352 Sketch 352 in two other ways using base-ten shorthand.