Wyoming Math 4.OA.3b
The Standard
Solve multi-step word problems posed with whole numbers, including problems in which remainders must be interpreted. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.
2023 Wyoming Mathematics Content and Performance Standards · Use the four operations with whole numbers to solve problems.
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students solve word problems that take more than one step. They decide what a remainder means in the story. They round numbers to check whether an answer makes sense.
What Mastery Looks Like
- A student chooses the operations in the right order and labels the answer. If one student is left without a seat, they add another vehicle. They use an estimate to check their work.
Common Misconceptions
- Students may divide before subtracting people who are absent. They may leave one student behind instead of adding another vehicle. They may give a rounded estimate as the exact answer.
How to Assess It
- Give this exit ticket: 83 students signed up for a trip, but 18 are absent. If each van holds 8 students, how many vans are needed? Show a rounded estimate to check.
Lesson moves
Ways to Teach It
Give pairs 48 counters and paper cups; remove 11 counters, put 6 in each cup, and decide how many cups hold the rest.
Ask: After giving away 17 of 62 stickers, with 8 per page, when is the answer 5 pages and when is it 6?
Play a card match: 79 pencils, 22 used, 9 per box; pair 'full boxes' and 'boxes needed' with 6 and 7.
Check a school lunch order: 91 oranges, 23 served early, 10 per tray; decide trays needed and estimate by rounding to tens.
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Printable 4.OA.3b Worksheet
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