Multiplication facts
What is the answer to a multiplication problem called?
Product
9x8
72
123 x 45 =
5535
What is the best estimate for 245 x 16?
5,000
The cruising speed of a jet is 900 kilometers per hour or kph. How far can the jet travel in 4 hours?
3600 kilometers
What do you need to do when you finish the ones place in a multiplication problem?
Add your (smiley face) zero.
4x9
36
286 x 16 =
4576
What is the best estimate for 3907 x 33?
120,000
A pack of pens contains 16 pens. A box contains 20 packs. How many pens in 5 boxes?
1,600 pens
What are the numbers being multiplied called?
Factors
8x6
48
242 x 27 =
6534
What is the best estimate for 351 x 452?
157,500
At a birthday party, there are 15 children. Each child will eat 3/16 of a pizza. How many pizzas should the host order?
3 pizzas.
Multiplication is what?
Repeated addition
9x7
63
476 x 87
41412
What is the best estimate for 149 x 149?
22500
There are about 795 houses in this region. The average family size is 6 people. There are about __________ people living in the region.
4,800 people
Does the order of the factors change the product?
No
7x6
42
973 x 19 =
18487
What is the best estimate for 534 x 789?
There are 26,358 children living in this town. Half of the children are boys. There are about _________ boys living in this town.
13,000