Multiplication
In the problem 5x3=15, what are the factors?
5 and 3
What is 45 divided by 9?
5
Is 5 an odd number or an even number?
Odd
What is a quotient?
The answer to a division problem.
I gave 10 students each 1 pencil. How many pencils did I give away?
10
That any number times 1 equals itself.
In the problem 30 divided by 6 equals 6, what number is the dividend?
30
What can every even number be divided by besides itself?
2
What is the answer to a multiplication problem called?
An array with 5 rows and 3 columns has how many total?
5x3=15
What is 9x8?
72
If a number can be divided by 10, what does it have to have in its ones place?
a zero
Is the tens place odd or even in this number: 549
Even
Give an example of a fact family.
Should include 2 multiplication equations and 2 division equations, all using the same 3 numbers.
Addie had 42 books that she organized onto 6 shelves. If she put an equal number of books on each shelf, how many books did she put on each shelf?
42 divided by 6 = 7
What do the products of 9 have in common?
The digits add up to 9.
What is 81 divided by 9?
9
If a multiplication problem has at least one even factor, the product will be what?
Even
What has rows and columns and can help us solve a multiplication problem?
An array
I want everyone at my party, including myself, to get 4 cookies. I invited 7 people to my party. How many cookies do I need to make?
7+1=8
8x4=32
What is 12x12?
144
Divide 100 by 10. Then divide your answer by 2. What do you get?
5
Would the product of 55x31 be odd or even? Why?
Odd, because both factors are odd.
What property tells us that we can switch the order of the factors in a multiplication equation and still get the same answer?
The commutative property of multiplication
Lucy practiced the piano every day last week. She practiced 2 hours a day for 4 of the days and 3 hours a day the rest of the days. This week, she has practiced a total of 5 hours. How many hours did she practice altogether both weeks?
2x4=8
3x3=9 (because there are 7 days in a week)
8+9+5= 22 hours