just the facts, please
we love, word problems
brain teasers
array of hope
It's the law
100
4 x 4
16
100
Evan has 6 bags with 9 carrots in each. How many carrots does she have in all?
54 carrots
100
Could you multiply a number by 2 and get a product of 15?
When you multiply 2 by any number it will be even. 15 is an odd number so 2 times any number will not give you 15.
100
Separate the rows in the array to break them into two smaller arrays.What are the new facts?
5x7=(_x7)+(_x7)
5x7=(1x7)+(4x7)
5x7=(2x7) +(3x7)
100
What law or property of multiplication says you can change the order of factors and you will get the same product.
The Commutative (order) property of multiplication
200
8 x 7
56
200
Mrs. Meyer drives 3 miles 6 times a week for her job. How many miles is this in all?
18 miles a week
200
What is a trick or pattern that helps you with your multiples of 9?
The individual product digits add up to 9, for example 9x3=27, 2+7=9.
200
Imagine a giant array showing 25 rows with 12 dots in each row. How can I break apart this array into 2 or 3 smaller, friendler facts? What is the answer?
(20x12) + (5x12)=
(10x12) + (10x12)+(5x12)=
(25x10) + (25x2)=
200
What law or property of multiplication says you can change the grouping of the factors and the product will be the same?
The Associative (grouping) property of multiplication
300
9 x 8
72
300
Maggie Sue is buying candy canes. She chooses red, green, blue, pink, orange stripe and purple stripe. How many different combinations of one solid color and one stripe color of candy canes are there?
8 combinations
red, orange stripe-------red, purple stripe
green, orange stripe----green, purple stripe
blue, orange stripe.....blue, purple stripe
pink, orange stripe....pink, purple stripe
300
Skip count by 4 all the way up to 48
0,4,8,12,16,20,24,28,32,36,40,44,48
300
How would I draw an array representing
5x3x2
5x6
300
What law or multiplication property says that a multiplication fact can be broken apart into the sum of two other multiplication facts?
The Distributive property
400
6 x 12
72
400
The library has 4 videos on Arctic Foxes and some books. There are 6 times as many books as videos. After 3 of the books were checked out, how many were left. Draw a diagram to show how you solved the problem.
videos 4
books 4x6=24
24-3=21 books left
400
Hannah has 6 circles(red,white,orange,yellow,blue,pink)and 8 triangles (stripe,polka dots, blue,green,yellow,white,black,zebra)
What is the total number of combinations of one circle and one triangles. Instead of making a list what can you do?
6x8=48
400
Madison says she can break this array up into 3 separate multiplication problems to get the final product. Give an example of one way Madison could do this.
(3x9)+(3x9)+(1x9)
(2x9)+(2x9)+(3x9)
(7x5)+(7x2)+(7x2)
more options
400
What is the Identity (one) property of multiplication?
When you multiply a number and one, the product is that number.
500
12 x 9
108
500
Miles charged $10 to wash a car and $7 to walk a dog. How much money did miles earn for washing 6 cars and walking one dog?
Miles earned $67
6x10=60
1x7=7
60+7=$67
500
Skip count by 12 all the way up to 144.
0,12,24,36,48,60,72,84,96,108,120,132,144
500
There are 30 band members marching in a parade. The array shows how they are arranged. The marching band can be arranged in other ways.
What are 3 equations show how the marching band could be arranged?
5 rows of (2x3) or (6x2) rows of 3 or
(1x2) rows of 15 or 3 rows of (5x2)
5 rows of (2x3)
(1x2) rows of 15
3 rows of (5x2)
500
What is the Zero property of multiplication?
When you multiply a number and zero the product is zero.