Multiples
Just the Facts
Be afraid, be very afraid
Properties
Mental Math
100
What are the first 5 multiples of 7?
7, 14, 21, 28, 35
100
8 x 7 =
56
100
Mrs. Strawhorn bought 8 cartons of pencils. There are 143 pencils in each carton. How many pencils does Mrs. Strawhorn have?
8 x 143 = 1,144
100
What are the three properties of multiplication?
Associative, Commutative, Identity
100
8 x 40
320
200
What are the first 5 multiples of 3?
3, 6, 9, 12, 15
200
Show 8 x 7 as repeated addition.
8 + 8 + 8 + 8 + 8 + 8 + 8
200
Mrs. Siefert has 7 boxes. Each box holds 809 silly bandz. How many silly bandz will she have to trade with her friends when all of her boxes are full?
7 x 809 = 5,663
200
7 x 9 = 9 x ☐ What property does this equation represent.
7 Commutative
200
4 x 50
200
300
Give me one number that is a multiple of both 6 and 8.
24, 48, 72, 96 Do you notice a pattern?
300
Show me 8 x 7 as an array.
Your drawing should have 8 rows with 7 in each row. Does it?
300
Mrs. Lopez is going to give away packs of paws to the best math class. Each pack of paws has 76 paws. Mrs. Lopez has 72 packs of paws. How many paws will the best math class get if she gives them all of her paws?
72 x 76 = 5,472
300
What is the identity property of multiplication. Give an example.
The identity property of multiplication says that you can multiply any number by 1 and the product will always be the original number. ex: 6,783 x 1 = 6,783
300
5 x 800
4000
400
List the first 5 multiples of 121.
121, 242, 363, 484, 605
400
4 x 6 = 24 Please write two related facts.
1 x 24 = 24 2 x 12 = 24 3 x 8 = 24
400
Students in Maryland are supposed to go to school 180 days a year. If students were supposed to go for twelve hours a day, how many hours of school would they attend each year if they never missed an hour of school?
180 x 12 = 2,160 hours
400
(50 x 75) x 8 = 75 x (8 x ☐) What number fits into the box and what property is it?
50 Associative Property
400
6000 x 7
42,000
500
Give me one number that is a multiple of 4, 12, 15
60, 120, 180, 240, 300..... Do you notice a pattern?
500
Write a word problem for 8 x 7. Be sure it is creative.
Mrs. Strawhorn loves to eat donuts. If she ate 8 donuts every day for one week, how many donuts did she eat all together?
500
Mrs. Strawhorn ate pizza every night for one solid week. Every night she ate 4 pizzas and every pizza had 9 slices. Mrs. Strawhorn loves toppings on her pizza. Every night she had 6 toppings on her pizza - pepperoni, sausage, green peppers, bacon, onions, and beef. How many slices of pizza did she eat at the end of one week?
7 x 4 x 9 = 252 slices
500
Show the commutative and associative property using all three of these numbers: 7, 8, and 6.
Commutative - 7 x 8 x 6 = 8 x 6 x 7 Associative - (7 x 8) x 6 = 7 x (8 x 6)
500
5000 x 6000
30,000,000