Express customary weight measurements in terms of a smaller unit, recording measurement equivalents in a two-column table. Solve one-step word problems that require customary weight unit conversion.
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If you need to adapt or shorten this lesson for remote learning, we suggest prioritizing Anchor Task 2 (benefits from worked example) and Anchor Task 4 (can be done independently). You might decide not to give Anchor Task 4 independently, in which case it can be consolidated with Anchor Task 2 to be one Anchor Task. Find more guidance on adapting our math curriculum for remote learning here.
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Use a balance scale and 1-pound and 1-ounce weights to answer the following question.
What do you notice about the relationship between the weight of a pound and the weight of an ounce?
Fill in the following conversion tables.
A birth weight between 5 pounds 8 ounces and 8 pounds 13 ounces is considered normal for a full-term newborn. Louis’s daughter weighs 145 ounces. Is Louis’s daughter’s weight considered normal?
Robyn and Danny are truck drivers. They have to haul the following pallets to the same location.
Pallet | Weight |
A | 4,000 lb |
B | 4 tons 1,000 lb |
C | 1 ton 1,625 lb |
D | 1,000 lb |
E | 3 tons |
F | 2 tons 375 lb |
Robyn and Danny want to each haul the same amount of weight. They can’t break the pallets apart into smaller packages. Which pallets should they each take? How much weight will they be hauling?
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Solve.
a. 9 pounds = __________ ounces
b. 13 pounds 5 ounces = __________ ounces
Sasha’s backpack weighs 15 pounds 9 ounces. Amanda’s backpack weighs 183 ounces. Stefan’s backpack weighs 272 ounces. Order the weight of each backpack from greatest to least.
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