Addition Subtraction Multiplication Division Worksheets - Free Printable

Problem: Solve the calculations in the provided worksheet.

The worksheet contains 40 basic arithmetic problems involving addition, subtraction, multiplication, and division. Below is the solution for each problem, along with a brief explanation of the steps taken to solve them.

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Section 1: Problems 1–20

#### Problem 1: \( 2 - 1.4 \)
- Subtract 1.4 from 2.
- \( 2 - 1.4 = 0.6 \)
- Answer: \( 0.6 \)

#### Problem 2: \( 4 \times 0.3 \)
- Multiply 4 by 0.3.
- \( 4 \times 0.3 = 1.2 \)
- Answer: \( 1.2 \)

#### Problem 3: \( 0.5 + 0.9 \)
- Add 0.5 and 0.9.
- \( 0.5 + 0.9 = 1.4 \)
- Answer: \( 1.4 \)

#### Problem 4: \( 240 \div 8 \)
- Divide 240 by 8.
- \( 240 \div 8 = 30 \)
- Answer: \( 30 \)

#### Problem 5: \( 3.1 - 0.6 \)
- Subtract 0.6 from 3.1.
- \( 3.1 - 0.6 = 2.5 \)
- Answer: \( 2.5 \)

#### Problem 6: \( 0.05 + 0.3 \)
- Add 0.05 and 0.3.
- \( 0.05 + 0.3 = 0.35 \)
- Answer: \( 0.35 \)

#### Problem 7: \( 1.28 \times 10 \)
- Multiply 1.28 by 10 (move the decimal point one place to the right).
- \( 1.28 \times 10 = 12.8 \)
- Answer: \( 12.8 \)

#### Problem 8: \( 8.2 \div 10 \)
- Divide 8.2 by 10 (move the decimal point one place to the left).
- \( 8.2 \div 10 = 0.82 \)
- Answer: \( 0.82 \)

#### Problem 9: \( 1 - 0.08 \)
- Subtract 0.08 from 1.
- \( 1 - 0.08 = 0.92 \)
- Answer: \( 0.92 \)

#### Problem 10: \( 30 \times 90 \)
- Multiply 30 by 90.
- \( 30 \times 90 = 2700 \)
- Answer: \( 2700 \)

#### Problem 11: \( 0.6 + 4 \)
- Add 0.6 and 4.
- \( 0.6 + 4 = 4.6 \)
- Answer: \( 4.6 \)

#### Problem 12: \( 540 \div 60 \)
- Divide 540 by 60.
- \( 540 \div 60 = 9 \)
- Answer: \( 9 \)

#### Problem 13: \( 5 \times 0.7 \)
- Multiply 5 by 0.7.
- \( 5 \times 0.7 = 3.5 \)
- Answer: \( 3.5 \)

#### Problem 14: \( 0.15 + 0.6 \)
- Add 0.15 and 0.6.
- \( 0.15 + 0.6 = 0.75 \)
- Answer: \( 0.75 \)

#### Problem 15: \( 0.8 - 0.25 \)
- Subtract 0.25 from 0.8.
- \( 0.8 - 0.25 = 0.55 \)
- Answer: \( 0.55 \)

#### Problem 16: \( 0.61 \times 100 \)
- Multiply 0.61 by 100 (move the decimal point two places to the right).
- \( 0.61 \times 100 = 61 \)
- Answer: \( 61 \)

#### Problem 17: \( 9 \div 10 \)
- Divide 9 by 10 (move the decimal point one place to the left).
- \( 9 \div 10 = 0.9 \)
- Answer: \( 0.9 \)

#### Problem 18: \( 0.2 + 0.9 \)
- Add 0.2 and 0.9.
- \( 0.2 + 0.9 = 1.1 \)
- Answer: \( 1.1 \)

#### Problem 19: \( 4 - 1.9 \)
- Subtract 1.9 from 4.
- \( 4 - 1.9 = 2.1 \)
- Answer: \( 2.1 \)

#### Problem 20: \( 580 \div 100 \)
- Divide 580 by 100 (move the decimal point two places to the left).
- \( 580 \div 100 = 5.8 \)
- Answer: \( 5.8 \)

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Section 2: Problems 21–40

#### Problem 21: \( 6.5 + 2.8 \)
- Add 6.5 and 2.8.
- \( 6.5 + 2.8 = 9.3 \)
- Answer: \( 9.3 \)

#### Problem 22: \( 0.5 - 0.14 \)
- Subtract 0.14 from 0.5.
- \( 0.5 - 0.14 = 0.36 \)
- Answer: \( 0.36 \)

#### Problem 23: \( 4 \times 0.9 \)
- Multiply 4 by 0.9.
- \( 4 \times 0.9 = 3.6 \)
- Answer: \( 3.6 \)

#### Problem 24: \( 3.2 \div 4 \)
- Divide 3.2 by 4.
- \( 3.2 \div 4 = 0.8 \)
- Answer: \( 0.8 \)

#### Problem 25: \( 2.4 - 1.8 \)
- Subtract 1.8 from 2.4.
- \( 2.4 - 1.8 = 0.6 \)
- Answer: \( 0.6 \)

#### Problem 26: \( 1.7 \div 10 \)
- Divide 1.7 by 10 (move the decimal point one place to the left).
- \( 1.7 \div 10 = 0.17 \)
- Answer: \( 0.17 \)

#### Problem 27: \( 0.07 + 0.25 \)
- Add 0.07 and 0.25.
- \( 0.07 + 0.25 = 0.32 \)
- Answer: \( 0.32 \)

#### Problem 28: \( 6.8 \times 100 \)
- Multiply 6.8 by 100 (move the decimal point two places to the right).
- \( 6.8 \times 100 = 680 \)
- Answer: \( 680 \)

#### Problem 29: \( 8 \div 100 \)
- Divide 8 by 100 (move the decimal point two places to the left).
- \( 8 \div 100 = 0.08 \)
- Answer: \( 0.08 \)

#### Problem 30: \( 9 - 2.6 \)
- Subtract 2.6 from 9.
- \( 9 - 2.6 = 6.4 \)
- Answer: \( 6.4 \)

#### Problem 31: \( 70 \times 40 \)
- Multiply 70 by 40.
- \( 70 \times 40 = 2800 \)
- Answer: \( 2800 \)

#### Problem 32: \( 0.32 + 0.6 \)
- Add 0.32 and 0.6.
- \( 0.32 + 0.6 = 0.92 \)
- Answer: \( 0.92 \)

#### Problem 33: \( 420 \div 7 \)
- Divide 420 by 7.
- \( 420 \div 7 = 60 \)
- Answer: \( 60 \)

#### Problem 34: \( 6 \times 0.5 \)
- Multiply 6 by 0.5.
- \( 6 \times 0.5 = 3 \)
- Answer: \( 3 \)

#### Problem 35: \( 7.3 - 2.8 \)
- Subtract 2.8 from 7.3.
- \( 7.3 - 2.8 = 4.5 \)
- Answer: \( 4.5 \)

#### Problem 36: \( 0.28 + 0.15 \)
- Add 0.28 and 0.15.
- \( 0.28 + 0.15 = 0.43 \)
- Answer: \( 0.43 \)

#### Problem 37: \( 0.87 - 0.3 \)
- Subtract 0.3 from 0.87.
- \( 0.87 - 0.3 = 0.57 \)
- Answer: \( 0.57 \)

#### Problem 38: \( 8 \times 0.7 \)
- Multiply 8 by 0.7.
- \( 8 \times 0.7 = 5.6 \)
- Answer: \( 5.6 \)

#### Problem 39: \( 459 \div 100 \)
- Divide 459 by 100 (move the decimal point two places to the left).
- \( 459 \div 100 = 4.59 \)
- Answer: \( 4.59 \)

#### Problem 40: \( 0.62 + 0.2 \)
- Add 0.62 and 0.2.
- \( 0.62 + 0.2 = 0.82 \)
- Answer: \( 0.82 \)

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Final Answer:

\[
\boxed{
\begin{array}{ll}
1) & 0.6 \\
2) & 1.2 \\
3) & 1.4 \\
4) & 30 \\
5) & 2.5 \\
6) & 0.35 \\
7) & 12.8 \\
8) & 0.82 \\
9) & 0.92 \\
10) & 2700 \\
11) & 4.6 \\
12) & 9 \\
13) & 3.5 \\
14) & 0.75 \\
15) & 0.55 \\
16) & 61 \\
17) & 0.9 \\
18) & 1.1 \\
19) & 2.1 \\
20) & 5.8 \\
21) & 9.3 \\
22) & 0.36 \\
23) & 3.6 \\
24) & 0.8 \\
25) & 0.6 \\
26) & 0.17 \\
27) & 0.32 \\
28) & 680 \\
29) & 0.08 \\
30) & 6.4 \\
31) & 2800 \\
32) & 0.92 \\
33) & 60 \\
34) & 3 \\
35) & 4.5 \\
36) & 0.43 \\
37) & 0.57 \\
38) & 5.6 \\
39) & 4.59 \\
40) & 0.82 \\
\end{array}
}
\]