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Five-Minute Check (over Lesson 4–3)
Main Idea
Example 1:Divide by a Two-Digit Number
Example 2:Division with a Remainder
Example 3:Divide by Two-Digit Numbers
• I will divide up to a three-digit number by a two-digit number.
Divide by a Two-Digit Number
How many cartons are needed to hold 384 eggs if each carton holds 12 eggs?
Find 12 384.
Estimate 384 ÷ 12 400 ÷ 10 = 40
Divide by a Two-Digit Number
Step 1Divide the tens.
Divide: 38 ÷ 12Multiply: 3 × 12Subtract: 38 – 36Compare: 2 < 12
12 384– 36
2
Step 2Divide the ones.
Bring down the ones.Divide: 24 ÷ 12Multiply: 2 × 12Subtract: 24 – 24
4
12 384– 36
2
33
– 240
Compare: 0 < 12
2
Answer: So, 32 cartons are needed to hold 384 eggs. Since 32 is close to the estimate, the answer is reasonable.
1. A
2. B
3. C
4. D0% 0%0%0%
A. 38 crates
B. 41 crates
C. 45 crates
D. 51 crates
How many crates are needed to hold 984 cartons of milk if each crate holds 24 cartons?
Division with a Remainder
Find 764 ÷ 40.
Step 1Divide the tens.
Divide: 76 ÷ 40Multiply: 1 × 40Subtract: 76 – 40Compare: 36 < 40
40 764– 40
36
Step 2Divide the ones.
Bring down the ones.Divide: 364 ÷ 40Multiply: 9 × 40Subtract: 364 – 360
4
40 764– 40
36
11
– 3604
Compare: 4 < 40
9
Estimate 764 ÷ 40 800 ÷ 40 = 20
R4
Division with a Remainder
Answer: So, 764 ÷ 40 is 19 R4.
1. A
2. B
3. C
4. D0% 0%0%0%
A. 28 R12
B. 30 R11
C. 32 R12
D. 35 R8
Find 852 ÷ 30.
Divide by Two-Digit Numbers
Duena worked at the library 312 hours last year. If she worked the same number of hours each month, how many hours did she work each month?
To solve, find 312 ÷ 12. 1 year = 12 months
Estimate 312 ÷ 12 300 ÷ 10 = 30
Divide by Two-Digit Numbers
Step 1Divide the tens.
Divide: 31 ÷ 12Multiply: 2 × 12Subtract: 31 – 24Compare: 7 < 12
12 312– 24
7
Step 2Divide the ones.
Bring down the ones.Divide: 72 ÷ 12Multiply: 6 × 12Subtract: 72 – 72
2
12 312– 24
7
22
– 720
Compare: 0 < 12
6
Answer: So, Duena worked at the library 26 hours each month.
1. A
2. B
3. C
4. D0% 0%0%0%
A. 26
B. 31
C. 36
D. 41
Find 540 ÷ 15.
End of the Lesson
Five-Minute Check (over Lesson 4–3)
Image Bank
Math Tool Chest
Interpret the Remainder
1. A
2. B
3. C
4. D0% 0%0%0%
(over Lesson 4–3)
A. 28
B. 32
C. 35
D. 29
1. A
2. B
3. C
4. D0% 0%0%0%
(over Lesson 4–3)
A. 154
B. 145
C. 245
D. 152
1. A
2. B
3. C
4. D0% 0%0%0%
(over Lesson 4–3)
A. 64
B. 72
C. 71
D. 65
1. A
2. B
3. C
4. D0% 0%0%0%
(over Lesson 4–3)
A. 64 R4
B. 64 R2
C. 64 R3
D. 63 R2
1. A
2. B
3. C
4. D0% 0%0%0%
(over Lesson 4–3)
A. 226
B. 227
C. 228
D. 229
Find 912 ÷ 4.
1. A
2. B
3. C
4. D0% 0%0%0%
(over Lesson 4–3)
A. 21 R4
B. 22 R2
C. 23
D. 24
Find 168 ÷ 7.
1. A
2. B
3. C
4. D0% 0%0%0%
(over Lesson 4–3)
A. 95 R2
B. 96 R1
C. 96 R2
D. 97 R1
Find 577 ÷ 6.
1. A
2. B
3. C
4. D0% 0%0%0%
(over Lesson 4–3)
A. 111 R2
B. 111 R4
C. 112 R2
D. 112 R4
Find 892 ÷ 8.