Subtraction and Addition Math Worksheet for Elementary Students

Problem Description:

The task involves performing subtraction and addition operations on a series of numbers. The worksheet is divided into four rows, each containing four columns of calculations. We need to solve each calculation step by step.

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Solution:

#### Row 1: Subtraction
1. 45 - 5
Subtract 5 from 45:
\( 45 - 5 = 40 \)

2. 70 - 5
Subtract 5 from 70:
\( 70 - 5 = 65 \)

3. 85 - 10
Subtract 10 from 85:
\( 85 - 10 = 75 \)

4. 60 - 10
Subtract 10 from 60:
\( 60 - 10 = 50 \)

Row 1 Results:
40, 65, 75, 50

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#### Row 2: Subtraction
1. 23 - 5
Subtract 5 from 23:
\( 23 - 5 = 18 \)

2. 74 - 5
Subtract 5 from 74:
\( 74 - 5 = 69 \)

3. 51 - 5
Subtract 5 from 51:
\( 51 - 5 = 46 \)

4. 32 - 5
Subtract 5 from 32:
\( 32 - 5 = 27 \)

Row 2 Results:
18, 69, 46, 27

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#### Row 3: Addition
1. 58 + 5
Add 5 to 58:
\( 58 + 5 = 63 \)

2. 27 + 5
Add 5 to 27:
\( 27 + 5 = 32 \)

3. 46 + 5
Add 5 to 46:
\( 46 + 5 = 51 \)

4. 89 + 5
Add 5 to 89:
\( 89 + 5 = 94 \)

Row 3 Results:
63, 32, 51, 94

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#### Row 4: Addition
1. 20 + 15
Add 15 to 20:
\( 20 + 15 = 35 \)

2. 75 + 15
Add 15 to 75:
\( 75 + 15 = 90 \)

3. 45 + 35