 # Mixed Units of Weight

Related Topics:
Lesson Plans and Worksheets for Grade 4
Lesson Plans and Worksheets for all Grades

Examples, solutions and videos to help Grade 4 students learn how to solve problems involving mixed units of weight.

Topic B: Problem Solving with Measurement

Common Core Standards: 4.OA.2, 4.OA.3, 4.MD.1, 4.MD.2, 4.NBT.5, 4.NBT.6

### NYS Common Core Grade 4, Module 7, Lesson 8

Worksheets for Grade 4, Module 7, Lesson 8 (Pdf)

Lesson 8 Problem Set

1. Determine the following sums and differences. Show your work.
a. 7 oz + 9 oz = _______ lb b. 1 lb 5 oz + 11 oz = _______ lb c. 1 lb – 13 oz = _______ oz d. 12 lb – 4 oz = _______ lb_______ oz e. 3 lb 9 oz + 9 oz = ______ lb______ oz f. 30 lb 9 oz + 9 lb 9 oz =______ lb______ oz g. 25 lb 2 oz – 14 oz = ______ lb______ oz h. 125 lb 2 oz – 12 lb 3 oz =______ lb______ oz

2. The total weight of Sarah’s and Amanda’s full backpacks is 27 pounds. Sarah’s backpack weighs 15 pounds 9 ounces. How much does Amanda’s backpack weigh?

3. In Emma’s supply box, a pencil weighs 3 ounces. Her scissors weigh 3 ounces more than the pencil, and a bottle of glue weighs three times as much as the scissors. How much does the bottle of glue weigh in pounds and ounces?

4. Use the information in the chart about Jodi’s school supplies to answer the following questions:
a. On Mondays, Jodi packs only her laptop and supply case into her backpack. How much does her full backpack weigh?
b. On Tuesdays, Jodi brings her laptop, supply case, two notebooks, and two textbooks in her backpack. On Fridays, Jodi only packs her binder and supply case. How much less does Jodi’s full backpack weigh on Friday than it does on Tuesday?

Lesson 8 Homework

1. Determine the following sums and differences. Show your work.
a. 11 oz + 5 oz = _______ lb
b. 1 lb 7 oz + 9 oz = _______ lb
c. 1 lb – 11 oz = _______ oz
d. 12 lb – 8 oz = _______ lb_______ oz
e. 5 lb 8 oz + 9 oz = ______ lb______ oz
f. 21 lb 8 oz + 6 lb 9 oz =______ lb______ oz
g. 23 lb 1 oz – 15 oz = ______ lb______ oz
h. 89 lb 2 oz – 16 lb 4 oz =______ lb______ oz

2. When Dick took his dog, Rocky, to the vet in December, Rocky weighed 29 pounds 9 ounces. When he took Rocky back to the vet in March, Rocky weighed 34 pounds 4 ounces. How much weight did Rocky gain?

3. Bianca had 6 identical jars of bubble bath. She put them all in a bag that weighed 2 ounces. The total weight of the bag filled with the six jars was 1 pound 4 ounces. How much did each jar weigh?

4. Use the information in the chart about Melissa’s school supplies to answer the following questions:
a. On Wednesdays, Melissa packs only two notebooks and a binder into her backpack. How much does her backpack weigh on Wednesdays?
b. On Thursdays, Melissa puts her laptop, supply case, two textbooks, and a notebook in her backpack.
How much does her backpack weigh on Thursdays?
c. How much more does the backpack weigh with 3 textbooks and a notebook than it does with just 1 textbook and supply case?

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