Properties and Patterns
This is an example of what property?:
6x5 = 30
5x6 = 30
Commutative Property
Define multiplicand and multiplier.
Multiplicand = first number in a multiplication equation
Multiplier = second number in a multiplication equation
Solve 62 x 18
1,116
What do you need to add to the third row of a multiplication problem before multiplying the digit in the hundreds place?
How do you figure out where the decimal point goes in the product of your multiplying money equation?
Drag the decimal over two spots from the right.
This is an example of what property?:
1 x 0 = 0
Zero property
Solve 703,007 x 6
4,218,042
Solve 83 x 64
5,312
Solve 541 x 122
66,002
$31.86
Solve using patterns of multiplication:
10 x 40 =
100 x 400 =
1,000 x 40,000 =
10 x 40 = 400
100 x 400 = 40,000
1,000 x 4,000 = 4,000,000
Solve 739 x 600
443,400
Solve 620 x 44
27,280
Solve 501 x 272
136,272
Solve $7.38 x 6
$44.28
Solve:
20 x 40 x 9000
7,200,000
Solve 7086 x 209
Solve 7,853 x 39
306,267
Solve 2,709 x 819
2,218,671
Solve $0.83 x 9
$7.47
Distribute and solve:
6 x (5+3)
(6x5) + (6x3)
30 + 18 = 48
The average family uses 370 gallons of water a day. How many gallons of water does the average family use in 120 days?
44,400
Solve 3,219 x 48
154,512
A fruit distributor received 575 cartons of plums during the week. The average number of plums per carton is 125. At the end of the week, 62,950 plums had been sold to supermarkets. Were all the plums that were received sold at the end of the week?
Yes, 572 x 125 = 71,875
71,875 plums > 62,950
Solve 627 x $50.59
$31,719.93