Grade 3 Multiplication Word Problems, Blasted One Asteroid at a Time

Three airlocks each hold seven oxygen tanks — how many tanks in all? Work it out, then find the asteroid carrying 21 before the belt drifts past. Putting multiplication into a sentence rather than a bare number sentence is what separates knowing the facts from knowing when to use them, and third grade is where that separation shows up. The problems are drawn from a pool and rebuilt each run, so the answer can't be remembered from last time.

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What this station asks for

☄️ Through the Asteroid BeltA belt of asteroids blocks the path. Work out each multiplication, then blast the asteroid showing that exact answer. Quick thinking, Agent! You solve each problem and tap the drifting space rock that carries the answer. Five tasks, then a boot print goes into the Case File.

Five questions it might ask

Drawn from the same pool the activity uses, so these are the real thing rather than an illustration. The numbers change on every attempt — there is no fixed set to memorize.

Question	Answer
3 airlocks each hold 7 oxygen tanks. How many tanks in all?	21
7 airlocks each hold 9 oxygen tanks. How many tanks in all?	63
3 airlocks each hold 8 oxygen tanks. How many tanks in all?	24
6 airlocks each hold 6 oxygen tanks. How many tanks in all?	36
7 airlocks each hold 5 oxygen tanks. How many tanks in all?	35

👀 What to watch for

Children who reliably compute 3 × 7 sometimes add instead when the same numbers appear in a story. If the answer they hunt for is 10, they've read the situation as combining rather than as groups — worth pausing on, because it recurs all the way through fractions.

The Common Core standard behind it

Official wording, quoted in full — not our summary of it:

3.OA.C.7	Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.

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Other Grade 3 skills in this case

Multiples3.OA.C.7 Subtraction within 1,0003.NBT.A.2 Skip counting3.OA.C.7

All grades

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