Multiplication
Division
Word Problems
Fractions
Multiplication Properties and Division Rules
100
5 x 10 =
50
100
9 ÷ 3 =
3
100
Shawn read 3 books last month, 5 books this month, and plans to read 4 books next month. How many books will he have read total by the end of next month?
12 books
100
1/10 + 5/10 =
6/10 or 3/5
100
This rule states that you cannot divide by zero. ex) 26 ÷ 0 = 0
Zeros Rule of Division
200
8 x 40 =
320
200
35 ÷ 5 =
7
200
Jake the Dog and Finn the Human are having 7 friends over for a picnic. If each guest gets 3 sandwiches, how many sandwiches does B-Mo have to make to have enough for every guest?
21 sandwiches
200
Simplify 5/15
1/3
200
This property states that when you multiply a number by 1, the product is that same number. ex) 17 x 1 = 17
Identity Property of Multiplication
300
9 x 32 =
288
300
81 ÷ 9 =
9
300
Alzavian had 30 cookies at lunch, but Zipporah ate 14 of them. How many cookies does Alzavian have left?
16 cookies
300
9 x 4/14 =
36/14 = 2 8/14 or 2 4/7
300
This rule states that when you divide a number by 1, the quotient is that same number. ex) 32 ÷ 1 = 32
Ones Rule of Division
400
12 x 30 =
360
400
67 ÷ 10 =
6 R7
400
Marcellus is on his way to visit his great great great grandma in Canada. He has to drive 150 miles to get to her house. On the first day, he drives 40 miles. On the second day, he drives 25 miles. On the third day, he drives 55 miles. How far does Marcellus have to drive on the fourth day to get to his great great great grandma's house?
30 miles
400
Simplify 60/90
2/3
400
This rule states that the order of the factors in a multiplication problem does not change the product. ex) 4 x 5 = 5 x 4
Commutative Property of Multiplication
500
26 x 95 =
2,470
500
93 ÷ 4 =
23 R1
500
Mr. Wheat has 32 apples, and wants to divide them evenly between 4 teachers. How many apples will each teacher receive?
8 apples each
500
Simplify 17/8
2 1/8
500
This property states that you can break a multiplication problem down by multiplying each addend, then adding the products. ex) 8 x 42 = (8 x 40) + (8 x 2) = 320 + 16 = 336
Distributive Property of Multiplication
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