Factors and Multiples
List all the factors of 12.
1, 2, 3, 4, 6, 12
Draw a bar model for the following problem. Put a ? in where there are unknown values.
Dan has 3 times as many cookies as Ann. Dan has 12 cookies. How many cookies does Ann have?
ooo
12
Harry has 5 chocolate frogs. Each frog has 4 legs. How many chocolate frog legs does Harry have?
20 frog legs
Kim has 10 carrots to share with her five rabbits. If each rabbit gets the same number of carrots, how many carrots will each rabbit get?
2 carrots
Ginny eats 3 jelly beans a day for 7 days. How many jelly beans did she eat in all during that 7 days?
21 jelly beans
List 5 multiples of 7
7, 14, 21, 28, 35, 42, 49, 56...
Susan has 49 cupcakes. She has 7 times as many cupcakes as Preston. How many cupcakes does Preston have?
Use a bar model to show your work.
0000000
49
Preston has 7 cupcakes
Neville has 4 cartons of gilliweed. Each carton has 7 pints of gilliweed in it. How many pints of gilliweed does Neville have?
28 pints
Greg has 15 blocks of cheese. Greg has 5 times as much cheese as Rowley. How much cheese does Rowley have?
3 blocks of cheese
Fred is packing Weasley Prank toys into boxes. He has 9 boxes and 45 different prank toys. If he puts the same number in each box, how many prank toys will go into each box?
5 toys in each box
True or False?
5 is a factor of 10.
True.
5 x 2 = 10
The basketball team scores 56 total points. That is 7 times as many points as Dev scores by himself. How many points does Dev score?
Draw and label a bar model to find the number of points Dev scores by himself.
0000000
56
Dev scores 8 points by himself
Liam has 3 cherries. Brian has 6 times as many cherries as Liam.
How many cherries does Brian have?
18 cherries
Shad ran 1 mile today. Yesterday, he ran twelve times as far as he did today. How far did Shad run yesterday and today?
13 miles
Penny has 4 boxes of earrings she is going to share with her 6 friends. Each box has 3 earrings in it. How many earrings does Penny have?
12 earrings
True or False?
10 is a multiple of 20.
False
If you count by 20 you will never say 10.
If I have a bar model with 2 bars and a 7 written in each bar, what equation would it represent?
2x7=_
Write an equation to represent the following word problem.
Ron and Hermione are collecting rocks. Hermione collects twice as many stones as Ron. Ron collects twenty stones. How many stones did Hermione collect?
2 x 20 = __
Jane has 8 boxes of cookies with 4 cookies in each box. She wants to give each of her 4 friends the same number of cookie boxes. How many boxes does each friend get?
2 boxes each
On Monday, Anaya rides her bike for 9 minutes.
On Tuesday, she rides her bike 4 times as many
minutes as on Monday. What is the total number
of minutes that Anaya rides her bike on Monday
and Tuesday?
45 minutes
What is the term for numbers that can be multiplied together with another number to get a given value?
Factor
If I had a bar model with 8 bars and a mark underneath showing all the bars together equal 32, what equation does that represent?
32 ÷ 8 =
Write an equation to represent the following story problem:
Draco throws paper airplanes at Harry's head 6 times on Monday. On Wednesday, he throws 3 times as many airplanes as he did on Monday. How many airplanes did he throw at Harry in all?
Monday = 6
Wednesday = 3 x 6 = 18
In All = 24 airplanes thrown at Harry
Levi and Rowan swim laps at the local pool. Levi swims 48 laps. That is 6 times as many laps as Rowan swims. Write and solve an equation to find the number of laps Rowan swims.
8 laps
Alice is making bookmarks for her classmates. She has 28 classmates and she made 56 bookmarks. How many bookmarks does each classmate get?
2 bookmarks