of Whole Numbers
List the first TEN multiples of: 3 AND 4
3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30
4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40
75 divided by 3
25
25 + 25 + 25 = 75
There are 35 batches of brownies and in each batch, there are 24 brownies. How many brownies are there in all?
Multiplication or Division? Write and solve the equation.
Multiplication
35 x 24 = 840
3+3+3+3 is what multiplication sentence?
3X4=12
70 x 5 =
350
Find the LEAST COMMON MULTIPLE of 4 and 10
multiples of 4: 4, 8, 12, 16, 20, 24, 28
multiples of 10: 10, 20, 30, 40
LCM 20
38 divided by 6
6 remainder of 2
6 x 6 + 2 = 38
36 + 2 = 38
Josie has 26 books on each bookshelf and 4 bookshelves. How many books does Josie have altogether?
Multiplication or Division? Write and solve the equation.
Multiplication
26 x 4 = 104
Write a division fact for
8 x 5 = 40
40 ÷ 8 = 5
OR
40 ÷ 5 = 8
64 x 2 =
128
Find the LEAST COMMON MULTIPLE of 8 and 12
multiples of 8: 8, 16, 24, 32
multiples of 12: 12, 24, 36
LCM = 24
35 divided by 7
5
There were 45 students trying out for basketball and 9 teams. How many students will be on each team?
Multiplication or Division? Write and solve the equation
Division
45 divided by 9 = 5
Write one division fact for 4 X 9 = 36
36 ÷ 9 = 4
OR
36 ÷ 4 = 9
85 x 3 =
255
Joe and Peter are moving boxes of books. Joe's boxes have 6 books each & Peter's boxes have 9 books each. If they move the SAME NUMBER OF BOOKS, what is the least number of books they each could have moved?
Joe: 6, 12, 18, 24, 30
Peter: 9, 18, 27, 36
LCM is 18 so they each moved 18 books.
20 divided by 8
2 r 4
8 x 2 + 4 = 16 + 4 = 20
Mrs. Patience's class is planting seeds in a garden for their Plant and Animal science unit. There are 56 seeds and 8 rows. How many seeds will be planted in each row?
Multiplication or Division? Write and solve the equation
Division
56 divided by 8 = 7
A rectangle has sides that are 8 inches and 4 inches
What is the area?
Area = l x w
Area = 8 x 4 = 32 square inches or 32 in2
72 x 5 =
360
Sarah is buying soda in packages that have 8 bottles each. if she bought between 45 and 50 sodas, how many did she buy?
Find a multiple of 8 between 45 and 50
*: 8, 16, 24, 32, 40, 48, 56
Sarah bought 48 bottles of soda
5 x 3 =
15
Jessie bought 38 cans of lemonade and each can of lemonade cost her $3 How much money did Jessie spend on the cans of lemonade?
Multiplication or Division? and SOLVE
Multiplication
Answer: 114
The order you multiply in doesn't matter. Write the equation 2 x 3 x 5 two different ways to show this is true.
(2 x 3) x 5 = 6 x 5 = 30
2 x (3 x 5) = 2 x 15 = 30
(2 x 5) x 3 = 10 x 3 = 30
54 x 4 =
216