Addition practice worksheets for grade 3 - Free math printables - Free Printable

Problem Description:

The task involves solving addition equations without regrouping (carrying over). Each equation adds two numbers, and the goal is to compute the totals for each equation.

Solution Approach:

1. Understand the Task: We need to add two numbers in each equation without carrying over digits from one place value to another.
2. Perform Addition: Add the numbers digit by digit (ones, tens, hundreds) and ensure no digit exceeds 9 in any place value.
3. Write Down the Totals: Record the results for each equation.

Step-by-Step Solution:

#### Equation 1: \( 600 + 353 \)
- Hundreds: \( 6 + 3 = 9 \)
- Tens: \( 0 + 5 = 5 \)
- Ones: \( 0 + 3 = 3 \)
- Total: \( 953 \)

#### Equation 2: \( 11 + 176 \)
- Hundreds: \( 0 + 1 = 1 \)
- Tens: \( 1 + 7 = 8 \)
- Ones: \( 1 + 6 = 7 \)
- Total: \( 187 \)

#### Equation 3: \( 361 + 328 \)
- Hundreds: \( 3 + 3 = 6 \)
- Tens: \( 6 + 2 = 8 \)
- Ones: \( 1 + 8 = 9 \)
- Total: \( 689 \)

#### Equation 4: \( 140 + 520 \)
- Hundreds: \( 1 + 5 = 6 \)
- Tens: \( 4 + 2 = 6 \)
- Ones: \( 0 + 0 = 0 \)
- Total: \( 660 \)

#### Equation 5: \( 443 + 50 \)
- Hundreds: \( 4 + 0 = 4 \)
- Tens: \( 4 + 5 = 9 \)
- Ones: \( 3 + 0 = 3 \)
- Total: \( 493 \)

#### Equation 6: \( 425 + 203 \)
- Hundreds: \( 4 + 2 = 6 \)
- Tens: \( 2 + 0 = 2 \)
- Ones: \( 5 + 3 = 8 \)
- Total: \( 628 \)

#### Equation 7: \( 722 + 61 \)
- Hundreds: \( 7 + 0 = 7 \)
- Tens: \( 2 + 6 = 8 \)
- Ones: \( 2 + 1 = 3 \)
- Total: \( 783 \)

#### Equation 8: \( 121 + 711 \)
- Hundreds: \( 1 + 7 = 8 \)
- Tens: \( 2 + 1 = 3 \)
- Ones: \( 1 + 1 = 2 \)
- Total: \( 832 \)

#### Equation 9: \( 43 + 843 \)
- Hundreds: \( 0 + 8 = 8 \)
- Tens: \( 4 + 4 = 8 \)
- Ones: \( 3 + 3 = 6 \)
- Total: \( 886 \)

#### Equation 10: \( 512 + 43 \)
- Hundreds: \( 5 + 0 = 5 \)
- Tens: \( 1 + 4 = 5 \)
- Ones: \( 2 + 3 = 5 \)
- Total: \( 555 \)

#### Equation 11: \( 80 + 116 \)
- Hundreds: \( 0 + 1 = 1 \)
- Tens: \( 8 + 1 = 9 \)
- Ones: \( 0 + 6 = 6 \)
- Total: \( 196 \)

#### Equation 12: \( 110 + 259 \)
- Hundreds: \( 1 + 2 = 3 \)
- Tens: \( 1 + 5 = 6 \)
- Ones: \( 0 + 9 = 9 \)
- Total: \( 369 \)

#### Equation 13: \( 812 + 54 \)
- Hundreds: \( 8 + 0 = 8 \)
- Tens: \( 1 + 5 = 6 \)
- Ones: \( 2 + 4 = 6 \)
- Total: \( 866 \)

#### Equation 14: \( 115 + 660 \)
- Hundreds: \( 1 + 6 = 7 \)
- Tens: \( 1 + 6 = 7 \)
- Ones: \( 5 + 0 = 5 \)
- Total: \( 775 \)

#### Equation 15: \( 111 + 611 \)
- Hundreds: \( 1 + 6 = 7 \)
- Tens: \( 1 + 1 = 2 \)
- Ones: \( 1 + 1 = 2 \)
- Total: \( 722 \)

Final Answer:

\[
\boxed{
\begin{array}{ccc}
953 & 187 & 689 \\
660 & 493 & 628 \\
783 & 832 & 886 \\
555 & 196 & 369 \\
866 & 775 & 722 \\
\end{array}
}
\]