Vocabulary
Answer to a multiplication problem is....
Th numbers multiplied together are the ...
Product
Factors
Mario and Luigi wanted to buy new lasers. Each laser cost 345 dollars. How much will they spend altogether?
690 dollars
6x241=
1,446
45x3 =
135
What word does "=" represent
is
States that the order in which two numbers are multiplied does not change the product
Commutative Property
My three friends and I all want to buy our parents tickets to see The Nutcracker at Count Basie. One ticket is 145 dollars. How much will we all spend on tickets?
580 dollars
4x107=
428
180x4=
720
What 2 phrases does "x" stand for in a multiplicative comparison
times as many as
times as much as
2x245=
2(200)+(2x40)+(2x5)=
Breaking apart factors by their place value in order to find a product
Distributive Property
A farmer picks 58 baskets of apples each day for 8 days. There are 7 apples in each basket. How many apples does the farmer pick?
3,248 apples
5x2,675
13,390
2,457x3=
7,371
Write this as an equation
24 is 3 times as many as 8
24=3x8
States that the way in which three or more numbers are grouped, does not change the product
Associative Property
Mikey worked for 5 days on the farm and made 125 dollars a day. Tony worked at the supermarket for 7 days and made 105 dollars a day. How much more money did Tony make than Mikey?
110 dollars
8x4,523
36,184
4009x3=
12,027
Write this as a multiplicative comparison
30=10x3
30 is 10 times as much/many as 3
A statement that shows how two factors and their product can be read as a comparison.
Multiplicative comparison
The length of the Amazon River is 295 miles less than 2 times the length of the Mississippi River. The length of the Mississippi River is 2,320 miles.
What is the length of the Amazon River?
4,345 miles
52,306x3=
156,918
305x23=
7,015
Write this as a multiplicative comparison
4 times as many as 10 is 40 is 5 times as much as 8
4x10=40=5x8