Multiplication Strategies
Show 3 x 4 using equal groups.
Should have a drawing of 3 groups of 4 items
9 x 3 = ?
Associative Property
Fill in the missing blank.
7 x (3 x 4) = (7 x ___) x 4
3
In a multiplication chart, what do you about the columns and rows that have 0 as a factor?
Give an example.
They are all zeros.
Ex: 0 x 4
A dog eats the same number of cups of food a day. If the dog eats 3 cans of food a day for 5 days, how many cans of foods does the dog eat in all?
15
Show 6 x 4 using repeated addition AND solve.
4 + 4 + 4 + 4 + 4 + 4 = 24
8 x 7 = ?
56
Which of the following is an example of the Commutative Property of Multiplication?
a. 6 x (3 x 2) = 3 x (2 x 6)
b. 4+2 = 2+4
c. 3 x (6 + 3) = (3 x 6) + (3 x 6)
d. 4 x 5 = 5 x 4
D: 4 x 5 = 5 x 4
Find the 5th number in the pattern.
6, 12, 18...
30
Mr. Nazzaro set up for the Winter Concert. He lined up 6 rows of chairs with 7 chairs in each row. How many chairs did Mr. Nazzaro set up in all?
Using an array, solve 4 x 3.
12;
Find the incorrect equation.
a. 6 x 3 = 18
b. 3 x 5 = 15
c. 4 x 2 = 10
c. 4 x 2 DOES NOT equal 10.
see student answers
What do you notice about the 2's patterns?
2, 4, 6, 8...
They are all even numbers.
Miss Mallari organized the Chromebook cart. The cart has 4 shelves. Miss Mallari fit 9 Chromebooks in each shelf. How many Chromebooks did she put in the cart.
36 Chromebooks.
Find 3 x 3 using a number line.
9;
5 x 90 = ?
450
Use the Distributive Property to break apart 6 x 4.
(6 x 2) + (6 x 2)
(3 x 4) + (3 x 4)
(5 x 4) + (1 x 4)
What do you know about multiples of 10?
They all end in zero.
Ms Munoz threw a class party for 20 of her students. (Two were absent.) She gave each student 3 snacks to eat. How many snacks did Ms. Munoz have in all?
60 snacks
Find 6 x 20 using a number line.
120;
_______ x ________ = 150
30 x 5
3 x 50
150 x 1
There are 2 buckets of construction paper. Each bucket has 3 packs with 10 sheets of paper in each pack. How many sheets are there in all?
2 x 3 x 10
(2 x 3) x 10
6 x 10 = 60 sheets
A flower shop is setting up baskets of flowers. The first basket has 9 flowers. The second basket has 18 flowers. The third basket has 27 flowers. Following that pattern, how many flowers will the fourth basket have?
The fourth basket will have 36 flowers.
Ms. Cueto put pencils on each of her students desks. She has 3 groups of desks with 5 desks in each group and put 2 pencils on each desk. How many pencils does she need?
3 x 5 x 2 = 30 pencils