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Grade 3 Math · World 3: Multiplication Meadow · Level 25
Turn-Around Facts
See that 3 × 7 = 7 × 3 by turning an array.
Warm-up, learn, try it together, practice, then a quick check. About 15 minutes.
What children learn in Level 25
- Here are 3 rows of 7. That's 3 times 7, which is 21.
- Turn the array on its side. Now it's 7 rows of 3, and it's still 21!
- Turn-around facts: you can multiply in either order and get the same product. If you know 3 × 7, you know 7 × 3!
Georgia's K-12 Mathematics Standards:
- 3.PAR.3.3 — Apply properties of operations (i.e., commutative property, associative property, distributive property) to multiply and divide within 100.