Name
Practice
Buddy
*
Tools Assessment
Be Precise
Jeremy uses 112 feet of tape for each box he packs for
shipping. How many inches of tape does Jeremy need
to pack 3 boxes?
1. How can you use the information given to solve
the problem?
When you are
precise, you calculate
accurately.
2. How many inches of tape does Jeremy need to
pack 3 boxes? Explain.
3. Explain why you used the units you did in your answer.
Be Precise
Mrs. Reed collects shells. Each shell in her collection weighs
about 4 ounces. Her collection weighs about 12 pounds in all.
About how many shells are in Mrs. Reed’s collection? Use
Exercises 4–6 to solve.
4. How can you use the information given to solve
the problem?
5. What is the total weight of Mrs. Reed’s shell collection,
in ounces?
6. How many shells are in Mrs. Reed’s shell collection?
*For another example, see Set D on page 724.
Topic 13 Lesson 13-7
717
Performance Assessment
Making Thank You Cards
Tanesha is making cards by gluing 1 ounce of glitter on the
front of the card and then making a border out of ribbon.
She makes each card the dimensions shown. How much
ribbon does Tanesha need?
9 cm
7. Reasoning What quantities are given in the problem and
what do the numbers mean?
85 mm
8. Make Sense and Persevere What do you need to find?
9. Model with Math What are the hidden questions
which must be answered to solve the problem? Write
equations to show how to solve the hidden questions.
When you are
precise, you specify and
use units of measure
appropriately.
10. Be Precise How much ribbon does Tanesha need? Use
math language and symbols to explain how you solved the
problem and computed accurately.
11. Reasoning What information was not needed in
the problem?
718
Topic 13 Lesson 13-7
© Pearson Education, Inc. 4