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Factors and Arrays
Multiplication Properties
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You have how many times as many???!
Da-Da-Division
100
Draw an array to show 3 x 5.
Answers Vary
100
What property tells us that any number times zero equals zero?
The Zero Property
100
What multiplication sentence is related to the division fact, 20 / 5 = 4
5 x 4 = 20 or 4 x 5 = 20
100
___ is 3 times as many as 3.
9
100
What does it mean to divide?
Answers vary- need to include splitting a number of objects evenly into groups OR repeated subtraction OR the inverse of multiplication
200
What is the repeated addition sentence for 6 x 3?
6 + 6 + 6 =18 or 3 + 3 + 3 + 3 + 3 + 3= 18
200
What property explains why we can say 4 x 6 is the same as 6 x 4?
The commutative property.
200
Write the multiplication/division fact family for 2, 3, 6.
2 x 3 = 6 3 x 2 = 6 6 / 3 = 2 6 / 2 = 3
200
25 is ____ times as many as 5.
5
200
12 divided by 4 = ? Draw a picture and circle your final answer to solve.
3
300
List all of the factors for 16.
1, 2, 4, 8, 16
300
How can the distributive property help you solve larger multiplication problems?
The distributive property says we can split up larger problems into smaller, simpler problems.
300
Write the division/multiplication fact family for 8 x 9.
8 x 9 = 72 8 x 9 = 72 72 / 9 = 8 72 / 8 = 9
300
Michael had 7 donuts. His little brother has 4 times as many. How many donuts did his little brother have? Draw a diagram and write an equation. Circle your final answer.
7 x 4 = 28 donuts
300
Sammy has 30 marbles. She wants to give away all of her marbles to each of her 3 friends. How many marbles will each friend receive if they each get the same amount? Draw a picture and write a number sentence. Circle your final answer.
10 marbles each 10 x 3 = 30 30 / 3 = 10
400
Write a story problem that matches the equation 2 x 7. Solve your story problem.
Answers vary.
400
Draw an array for 4 x 8. Split your array into two separate arrays. Write a new number sentence to show how you used the distributive property.
Answers vary.
400
True or False? 20 / 0 = 0
False because 0 x 0 does not equal 20.
400
Jeffrey's dining room table is 7 times longer than the length of a book. A book is 8 inches long. How long is Jeffrey's table? Draw a bar diagram and write an equation to solve. Circle your final answer.
7 x 8 = 56 inches long
400
Susan used 81 toothpicks for her school project. She built nine towers for her model of a castle. If she used the same amount of toothpicks for each tower, how many toothpicks did she use for each tower? Write a number sentence and draw a picture to show how your solved the problem. Circle your final answer.
81 / 9 = 9 toothpicks 9 x 9 = 81
500
Write a story problem for 50 divided by 5. Solve your story problem.
Answers vary.
500
What property tells us that 4 x 2 x 3 is the same as 2 x 3 x 4?
The associative property
500
True or False? 0 / 40 = 0 Explain why.
True because 0 x 40 = 0.
500
Georgina has 42 cupcakes. She has 6 times as many cupcakes as Mike. How many cupcakes does Mike have? Draw a bar diagram and write an equation to solve this problem. Circle your final answer.
42 / 6 = 7 cupcakes or 6 x 7 = 42; 7 cupcakes.
500
Roy ate 38 candy bars over 6 days. If he ate the same amount of candy bars each day, how many candy bars did he eat on Monday?
6 and 1/3 candy bars.