Estimating Products and Quotients
Breaking Apart Numbers to Multiply and Divide
Using Objects to Multiply and Divide
Multiplication
Long Division
100
Leslie earned $18 a week for doing chores at home. About how much money will she have in 4 weeks?
$20 x 4 = $80
100
What two equations can you use to solve 66 x 3?
60 x 3 and 6 x 3
100
Draw an array of 13 x 4. Write the product below.
13 x 4 = 52 ___________ - - - ___________ - - - ___________ - - - ___________ - - -
100
32 x 2
64
100
Write the steps in order for completing a long division problem.
Divide Multiply Subtract Check Your Answer Bring Down Repeat or Remainder
200
There are about 129 m&ms in a package. Ms. Rhodes bought 8 packages of m&ms. About how many m&ms does Ms. Rhodes have?
100 x 8 = 800 m&ms
200
What two equations can you use to solve 71 x 2? What is the answer?
70 x 2 =140 1 x 2 = 2 140 + 2 = 142
200
Draw an array to represent 22 x 3. Write the product below.
22 x 3 = 66 __________ __________ - - __________ __________ - - __________ __________ - -
200
45 x 3
135
200
36 / 2
18
300
About how many groups of 6 can you make out of 38?
6 groups 6 x 6 = 36
300
What two equations can you use to solve 84 / 4? What is the quotient?
80 / 4 = 20 4 / 4 = 1 20 + 1 = 21
300
Draw a picture to show 44 / 2. Write the quotient below.
44 / 2 = 22 ___________ ___________ _ _ ___________ ___________ _ _
300
62 x 4
248
300
54 / 4
13 R2
400
Estimate the quotient of 41 / 5
about 8
400
Solve the following problem by breaking apart the numbers: 99 / 3
90 / 3 = 30 9 / 3 = 3 30 + 3 = 33
400
Draw a picture to represent 51 / 3. Write the quotient below.
51 / 3 = 17 __________ _ _ _ _ _ _ _ __________ _ _ _ _ _ _ _ __________ _ _ _ _ _ _ _
400
174 x 2
348
400
81 / 5
16 R1
500
Estimate the quotient of 71 / 9
about 8
500
Solve the following problem by breaking apart the numbers: 82 / 2
80 / 2 = 40 2 / 2 = 1 40 +1 = 41
500
Draw a picture to represent 60 / 4. Write the quotient below.
60 / 4 = 15 __________ _ _ _ _ _ __________ _ _ _ _ _ __________ _ _ _ _ _ __________ _ _ _ _ _
500
985 x 7
6895
500
94 / 3
31 R1
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