Property Party
What's this property? 6 × 9 = 9 × 6
Commutative Property
Each box has 4 donuts. You buy 6 boxes. How many donuts total?
24 Doughnuts
Solve using an open area model. 12 x 3
Solve using the expanded algorithm. 2 x 13
26
Round 42 × 38 to the nearest ten and estimate.
1,600
What's this property? (2 × 5) × 4 = 2 × (5 × 4)
Associative Property
A farmer plants 8 rows with 13 seeds in each. How many seeds in all?
104 seeds
Solve using an open area model. 25 x 6
150
Solve using the expanded algorithm. 127 x 3
381
Which estimate is closer to 27 × 33 — 800 or 900?
900
What's this property? 8 × 1 = ?
Identity Property
A baker makes 24 cupcakes a day for 5 days. How many cupcakes total?
120 cupcakes
Solve using an open area model. 36 x 42
1,512
Solve using the expanded algorithm. 2492 x 4
9,968
Estimate 86 × 49
4,500
What's this property? 0 × 47 = ?
Zero Property
There are 36 students, each with 7 pencils. How many pencils total?
252 pencils
Solve using an open area model. 58 x 74
4,292
Solve using the expanded algorithm. 20 x 97
1,940
Mr. Pruitt played football for 29 days and played for 12 hours each day. About how many hours did he play for?
300 hours
What's this property? (3 × 7) + (3 × 2) = 3 × 9
Distributive Property
A factory makes 48 toys every hour for 12 hours. How many toys total?
576 hours
Solve using an open area model. 83 x 67
5,561
Solve using the expanded algorithm. 54 x 32
1,728
A bakery sells 38 cupcakes a day for 6 days.
Each cupcake costs $3.
How much money did the bakery earn during those 6 days?
$684