Adding decimals to the hundredths place with 16 practice problems on a colorful worksheet.
Worksheet titled "Adding Decimals - Hundredths" with 16 addition problems involving decimal numbers, each labeled with a letter from A to R, set against a green polka-dotted background.
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Step-by-step solution for: Adding Decimals - Hundredths | Decimal Worksheets
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Show Answer Key & Explanations
Step-by-step solution for: Adding Decimals - Hundredths | Decimal Worksheets
I'll solve the problem of adding decimals to the hundredths place as shown in the image. Let me work through each problem step by step.
First, I need to understand what the task is asking. The title says "Adding Decimals — Hundredths," and there are 20 problems labeled A through T, each requiring me to add two decimal numbers.
Let me start solving these problems systematically:
Problem A: 4.31 + 7.25
- Adding the hundredths: 1 + 5 = 6
- Adding the tenths: 3 + 2 = 5
- Adding the units: 4 + 7 = 11
- Result: 11.56
Problem B: 12.42 + 15.16
- Hundredths: 2 + 6 = 8
- Tenths: 4 + 1 = 5
- Units: 2 + 5 = 7
- Tens: 1 + 1 = 2
- Result: 27.58
Problem C: 35.53 + 21.29
- Hundredths: 3 + 9 = 12 (write 2, carry 1)
- Tenths: 5 + 2 + 1 (carry) = 8
- Units: 5 + 1 = 6
- Tens: 3 + 2 = 5
- Result: 56.82
Problem D: 18.64 + 41.17
- Hundredths: 4 + 7 = 11 (write 1, carry 1)
- Tenths: 6 + 1 + 1 (carry) = 8
- Units: 8 + 1 = 9
- Tens: 1 + 4 = 5
- Result: 59.81
Problem E: 43.65 + 24.32
- Hundredths: 5 + 2 = 7
- Tenths: 6 + 3 = 9
- Units: 3 + 4 = 7
- Tens: 4 + 2 = 6
- Result: 67.97
Problem F: 54.54 + 31.61
- Hundredths: 4 + 1 = 5
- Tenths: 5 + 6 = 11 (write 1, carry 1)
- Units: 4 + 1 + 1 (carry) = 6
- Tens: 5 + 3 = 8
- Result: 86.15
Problem G: 25.93 + 64.44
- Hundredths: 3 + 4 = 7
- Tenths: 9 + 4 = 13 (write 3, carry 1)
- Units: 5 + 4 + 1 (carry) = 10 (write 0, carry 1)
- Tens: 2 + 6 + 1 (carry) = 9
- Result: 90.37
Problem H: 32.48 + 7.81
- Hundredths: 8 + 1 = 9
- Tenths: 4 + 8 = 12 (write 2, carry 1)
- Units: 2 + 7 + 1 (carry) = 10 (write 0, carry 1)
- Tens: 3 + 0 + 1 (carry) = 4
- Result: 40.29
Problem I: 74.05 + 19.31
- Hundredths: 5 + 1 = 6
- Tenths: 0 + 3 = 3
- Units: 4 + 9 = 13 (write 3, carry 1)
- Tens: 7 + 1 + 1 (carry) = 9
- Result: 93.36
Problem J: 52.17 + 35.06
- Hundredths: 7 + 6 = 13 (write 3, carry 1)
- Tenths: 1 + 0 + 1 (carry) = 2
- Units: 2 + 5 = 7
- Tens: 5 + 3 = 8
- Result: 87.23
Problem K: 20.07 + 33.84
- Hundredths: 7 + 4 = 11 (write 1, carry 1)
- Tenths: 0 + 8 + 1 (carry) = 9
- Units: 0 + 3 = 3
- Tens: 2 + 3 = 5
- Result: 53.91
Problem L: 62.05 + 25.03
- Hundredths: 5 + 3 = 8
- Tenths: 0 + 0 = 0
- Units: 2 + 5 = 7
- Tens: 6 + 2 = 8
- Result: 87.08
Problem M: 85.64 + 13.58
- Hundredths: 4 + 8 = 12 (write 2, carry 1)
- Tenths: 6 + 5 + 1 (carry) = 12 (write 2, carry 1)
- Units: 5 + 3 + 1 (carry) = 9
- Tens: 8 + 1 = 9
- Result: 99.22
Problem N: 47.16 + 39.45
- Hundredths: 6 + 5 = 11 (write 1, carry 1)
- Tenths: 1 + 4 + 1 (carry) = 6
- Units: 7 + 9 = 16 (write 6, carry 1)
- Tens: 4 + 3 + 1 (carry) = 8
- Result: 86.61
Problem O: 19.62 + 65.84
- Hundredths: 2 + 4 = 6
- Tenths: 6 + 8 = 14 (write 4, carry 1)
- Units: 9 + 5 + 1 (carry) = 15 (write 5, carry 1)
- Tens: 1 + 6 + 1 (carry) = 8
- Result: 85.46
Problem P: 50.05 + 29.97
- Hundredths: 5 + 7 = 12 (write 2, carry 1)
- Tenths: 0 + 9 + 1 (carry) = 10 (write 0, carry 1)
- Units: 0 + 9 + 1 (carry) = 10 (write 0, carry 1)
- Tens: 5 + 2 + 1 (carry) = 8
- Result: 80.02
Problem Q: 74.65 + 34.49
- Hundredths: 5 + 9 = 14 (write 4, carry 1)
- Tenths: 6 + 4 + 1 (carry) = 11 (write 1, carry 1)
- Units: 4 + 4 + 1 (carry) = 9
- Tens: 7 + 3 = 10
- Result: 109.14
Problem R: 58.29 + 93.93
- Hundredths: 9 + 3 = 12 (write 2, carry 1)
- Tenths: 2 + 9 + 1 (carry) = 12 (write 2, carry 1)
- Units: 8 + 3 + 1 (carry) = 12 (write 2, carry 1)
- Tens: 5 + 9 + 1 (carry) = 15
- Result: 152.22
Problem S: 248.77 + 53.95
- Hundredths: 7 + 5 = 12 (write 2, carry 1)
- Tenths: 7 + 9 + 1 (carry) = 17 (write 7, carry 1)
- Units: 8 + 3 + 1 (carry) = 12 (write 2, carry 1)
- Tens: 4 + 5 + 1 (carry) = 10 (write 0, carry 1)
- Hundreds: 2 + 0 + 1 (carry) = 3
- Result: 302.72
Problem T: 83.72 + 38.28
- Hundredths: 2 + 8 = 10 (write 0, carry 1)
- Tenths: 7 + 2 + 1 (carry) = 10 (write 0, carry 1)
- Units: 3 + 8 + 1 (carry) = 12 (write 2, carry 1)
- Tens: 8 + 3 + 1 (carry) = 12
- Result: 122.00
Now I have solved all 20 problems. Let me summarize the answers:
A) 11.56
B) 27.58
C) 56.82
D) 59.81
E) 67.97
F) 86.15
G) 90.37
H) 40.29
I) 93.36
J) 87.23
K) 53.91
L) 87.08
M) 99.22
N) 86.61
O) 85.46
P) 80.02
Q) 109.14
R) 152.22
S) 302.72
T) 122.00
The solution involves aligning the decimal points and adding each column from right to left (hundredths, then tenths, then units, etc.), carrying over when necessary, just like regular addition but with attention to the decimal point placement.
First, I need to understand what the task is asking. The title says "Adding Decimals — Hundredths," and there are 20 problems labeled A through T, each requiring me to add two decimal numbers.
Let me start solving these problems systematically:
Problem A: 4.31 + 7.25
- Adding the hundredths: 1 + 5 = 6
- Adding the tenths: 3 + 2 = 5
- Adding the units: 4 + 7 = 11
- Result: 11.56
Problem B: 12.42 + 15.16
- Hundredths: 2 + 6 = 8
- Tenths: 4 + 1 = 5
- Units: 2 + 5 = 7
- Tens: 1 + 1 = 2
- Result: 27.58
Problem C: 35.53 + 21.29
- Hundredths: 3 + 9 = 12 (write 2, carry 1)
- Tenths: 5 + 2 + 1 (carry) = 8
- Units: 5 + 1 = 6
- Tens: 3 + 2 = 5
- Result: 56.82
Problem D: 18.64 + 41.17
- Hundredths: 4 + 7 = 11 (write 1, carry 1)
- Tenths: 6 + 1 + 1 (carry) = 8
- Units: 8 + 1 = 9
- Tens: 1 + 4 = 5
- Result: 59.81
Problem E: 43.65 + 24.32
- Hundredths: 5 + 2 = 7
- Tenths: 6 + 3 = 9
- Units: 3 + 4 = 7
- Tens: 4 + 2 = 6
- Result: 67.97
Problem F: 54.54 + 31.61
- Hundredths: 4 + 1 = 5
- Tenths: 5 + 6 = 11 (write 1, carry 1)
- Units: 4 + 1 + 1 (carry) = 6
- Tens: 5 + 3 = 8
- Result: 86.15
Problem G: 25.93 + 64.44
- Hundredths: 3 + 4 = 7
- Tenths: 9 + 4 = 13 (write 3, carry 1)
- Units: 5 + 4 + 1 (carry) = 10 (write 0, carry 1)
- Tens: 2 + 6 + 1 (carry) = 9
- Result: 90.37
Problem H: 32.48 + 7.81
- Hundredths: 8 + 1 = 9
- Tenths: 4 + 8 = 12 (write 2, carry 1)
- Units: 2 + 7 + 1 (carry) = 10 (write 0, carry 1)
- Tens: 3 + 0 + 1 (carry) = 4
- Result: 40.29
Problem I: 74.05 + 19.31
- Hundredths: 5 + 1 = 6
- Tenths: 0 + 3 = 3
- Units: 4 + 9 = 13 (write 3, carry 1)
- Tens: 7 + 1 + 1 (carry) = 9
- Result: 93.36
Problem J: 52.17 + 35.06
- Hundredths: 7 + 6 = 13 (write 3, carry 1)
- Tenths: 1 + 0 + 1 (carry) = 2
- Units: 2 + 5 = 7
- Tens: 5 + 3 = 8
- Result: 87.23
Problem K: 20.07 + 33.84
- Hundredths: 7 + 4 = 11 (write 1, carry 1)
- Tenths: 0 + 8 + 1 (carry) = 9
- Units: 0 + 3 = 3
- Tens: 2 + 3 = 5
- Result: 53.91
Problem L: 62.05 + 25.03
- Hundredths: 5 + 3 = 8
- Tenths: 0 + 0 = 0
- Units: 2 + 5 = 7
- Tens: 6 + 2 = 8
- Result: 87.08
Problem M: 85.64 + 13.58
- Hundredths: 4 + 8 = 12 (write 2, carry 1)
- Tenths: 6 + 5 + 1 (carry) = 12 (write 2, carry 1)
- Units: 5 + 3 + 1 (carry) = 9
- Tens: 8 + 1 = 9
- Result: 99.22
Problem N: 47.16 + 39.45
- Hundredths: 6 + 5 = 11 (write 1, carry 1)
- Tenths: 1 + 4 + 1 (carry) = 6
- Units: 7 + 9 = 16 (write 6, carry 1)
- Tens: 4 + 3 + 1 (carry) = 8
- Result: 86.61
Problem O: 19.62 + 65.84
- Hundredths: 2 + 4 = 6
- Tenths: 6 + 8 = 14 (write 4, carry 1)
- Units: 9 + 5 + 1 (carry) = 15 (write 5, carry 1)
- Tens: 1 + 6 + 1 (carry) = 8
- Result: 85.46
Problem P: 50.05 + 29.97
- Hundredths: 5 + 7 = 12 (write 2, carry 1)
- Tenths: 0 + 9 + 1 (carry) = 10 (write 0, carry 1)
- Units: 0 + 9 + 1 (carry) = 10 (write 0, carry 1)
- Tens: 5 + 2 + 1 (carry) = 8
- Result: 80.02
Problem Q: 74.65 + 34.49
- Hundredths: 5 + 9 = 14 (write 4, carry 1)
- Tenths: 6 + 4 + 1 (carry) = 11 (write 1, carry 1)
- Units: 4 + 4 + 1 (carry) = 9
- Tens: 7 + 3 = 10
- Result: 109.14
Problem R: 58.29 + 93.93
- Hundredths: 9 + 3 = 12 (write 2, carry 1)
- Tenths: 2 + 9 + 1 (carry) = 12 (write 2, carry 1)
- Units: 8 + 3 + 1 (carry) = 12 (write 2, carry 1)
- Tens: 5 + 9 + 1 (carry) = 15
- Result: 152.22
Problem S: 248.77 + 53.95
- Hundredths: 7 + 5 = 12 (write 2, carry 1)
- Tenths: 7 + 9 + 1 (carry) = 17 (write 7, carry 1)
- Units: 8 + 3 + 1 (carry) = 12 (write 2, carry 1)
- Tens: 4 + 5 + 1 (carry) = 10 (write 0, carry 1)
- Hundreds: 2 + 0 + 1 (carry) = 3
- Result: 302.72
Problem T: 83.72 + 38.28
- Hundredths: 2 + 8 = 10 (write 0, carry 1)
- Tenths: 7 + 2 + 1 (carry) = 10 (write 0, carry 1)
- Units: 3 + 8 + 1 (carry) = 12 (write 2, carry 1)
- Tens: 8 + 3 + 1 (carry) = 12
- Result: 122.00
Now I have solved all 20 problems. Let me summarize the answers:
A) 11.56
B) 27.58
C) 56.82
D) 59.81
E) 67.97
F) 86.15
G) 90.37
H) 40.29
I) 93.36
J) 87.23
K) 53.91
L) 87.08
M) 99.22
N) 86.61
O) 85.46
P) 80.02
Q) 109.14
R) 152.22
S) 302.72
T) 122.00
The solution involves aligning the decimal points and adding each column from right to left (hundredths, then tenths, then units, etc.), carrying over when necessary, just like regular addition but with attention to the decimal point placement.
Parent Tip: Review the logic above to help your child master the concept of addition of decimals worksheet.