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Grade 4 Math · World 4: Division Depot · Level 39
Multi-Step Problems
Solve problems with all four operations, and estimate to check.
Warm-up, learn, try it together, practice, then a quick check. About 15 minutes.
What children learn in Level 39
- Some problems take more than one step. A farm picks 1,250 apples and sells 386. The rest go in bags of 8. How many bags can it fill?
- Step one: subtract. 1,250 minus 386 is 864 apples left.
- Step two: divide. 864 divided by 8 is 108. So the farm fills 108 bags.
- Does it make sense? 864 is close to 800, and 800 divided by 8 is 100. 108 is close to 100. Reasonable!
Georgia's K-12 Mathematics Standards:
- 4.NR.2.5 — Solve multi-step problems using addition, subtraction, multiplication, and division involving whole numbers. Use mental computation and estimation strategies to justify the reasonableness of solutions.