# Mixed Units of Weight

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

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

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

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?

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.