Whole Numbers
What is 23 x 4?
92
What is 0.5 x 8?
4
What is 72 x 100?
7200
What do we call the answer to a multiplication problem?
The Product
If a movie ticket costs $12 and 10 people go to the movies, how much does it cost in total?
$120
What is 45 x 12?
540
What is 3.2 x 4?
12.8
What is 3.45 x 10?
34.5
What do we call the two numbers that are being multiplied together?
Factors
A notebook costs $2.50. How much do 12 notebooks cost?
$30
What is 125 x 8?
1000
What is 0.6 x 0.7?
0.42
What is 0.98 x 1,000?
980
What is the small number written to the right and slightly above a base number (like the 3 in 103) that tells you how many times to multiply the base by itself?
Exponent
If 35 x 42 = 1,470, what is 3.5 x 4.2?
14.7
What is 362 x 15?
5430
What is 1.5 x 1.5?
2.25
What is 5.2 x 102?
What is the name of the rectangular diagram used to visualize multiplication where the factors define the length and width?
Area Model
The very first thing you should do when starting a word problem, before you even pick up your pencil to do any math.
Read the problem carefully
What is 804 x 26?
20904
What is 0.5 x 0.4?
0.2
Solve: 0.003 x 104
30
What do we call a standard, step-by-step set of procedures or rules used to solve a mathematical operation?
Algorithm
In a word problem, writing just a number is not a complete answer. You must always include this to tell what the number represents.
The unit.