Multiplication Patterns & AssociativityOnline version Explore associative property and patterns. by Doaa Wagdy 1 Which shows (2×3)×4 equal to 2×(3×4)? a 2×(3×4) ≠ (2×3)×4 b 2×3×4 = 24 only c (2×3)×4 = 2×(3×4) d Associativity does not apply here 2 Compute using associativity: (5×4)×2 equals? a 10 b 40 c 42 d 18 3 Which regrouping is valid by associativity: (6×2)×3 or 6×(2×3)? a Neither are equal b Both are equal c Only (6×2)×3 is valid d Only 6×(2×3) is valid 4 Fill in: (7×1)×5 equals 7×(1×5) which equals? a 7 b 35 c 12 d 70 5 Apply pattern: 2×(5×3) equals what? a 25 b 30 c 15 d 20 6 Is (8×3)×2 equal to 8×(3×2)? a Only when numbers are even b No c Sometimes d Yes 7 Which expression is equal to (9×2)×4? a 3×(9×6) b 9×2×4 with left to right bias c 9×(2×4) d (9×4)×2 8 Pattern: 3×(4×5) equals what when regrouped? a 100 b 20 c 60 d 15 9 What is the product of (11×3)×2 using associativity? a 66 b 33 c 22 d 44 10 Which statement expresses the associative property for a, b, c? a a×(b×c) = (a×b)×c + 0 b a×(b+c) = (a×b)+c c a×b×c = (a×c)×b d (a×b)×c = a×(b×c)
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