Copy and Complete.

Question

Copy and Complete.

ScanSolve AI Tutor · Accepted Answer

Here are the solutions to the addition problems:

1a)

\begin{align*} 109 \\ + \quad 21 \\ \hline 130 \end{align*}

The sum is $\boxed{\text{130}}$ .

1b)

\begin{align*} 87 \\ + \quad 108 \\ \hline 195 \end{align*}

The sum is $\boxed{\text{195}}$ .

1c)

\begin{align*} 480 \\ + \quad 179 \\ \hline 659 \end{align*}

The sum is $\boxed{\text{659}}$ .

1d)

\begin{align*} 216 \\ + \quad 29 \\ \hline 245 \end{align*}

The sum is $\boxed{\text{245}}$ .

2a)

Add the hundredths column
$2 + 9 = 11$ . Write down 1, carry over 1.
Add the tenths column
$9 + 1 + 1 (\text{carry-over}) = 11$ . Write down 1, carry over 1. Place the decimal point.
Add the ones column
$0 + 6 + 1 (\text{carry-over}) = 7$ .
Add the tens column
$5 + 1 = 6$ .
Add the hundreds column
$6 + 0 = 6$ .
$\begin{align*} 650.92 \\ + \quad 16.19 \\ \hline 667.11 \end{align*}$
The sum is $\boxed{\text{667.11}}$ .

2b)
Add the hundredths column
$5 + 5 = 10$ . Write down 0, carry over 1.
Add the tenths column
$3 + 3 + 1 (\text{carry-over}) = 7$ . Place the decimal point.
Add the ones column
$2 + 7 = 9$ .
Add the tens column
$9 + 6 = 15$ . Write down 5, carry over 1.
Add the hundreds column
$4 + 2 + 1 (\text{carry-over}) = 7$ .
$\begin{align*} 492.35 \\ + \quad 267.35 \\ \hline 759.70 \end{align*}$
The sum is $\boxed{\text{759.70}}$ .

2c)
Add the hundredths column
$6 + 5 = 11$ . Write down 1, carry over 1.
Add the tenths column
$2 + 8 + 1 (\text{carry-over}) = 11$ . Write down 1, carry over 1. Place the decimal point.
Add the ones column
$1 + 9 + 1 (\text{carry-over}) = 11$ . Write down 1, carry over 1.
Add the tens column
$1 + 4 + 1 (\text{carry-over}) = 6$ .
Add the hundreds column
$7 + 0 = 7$ .
$\begin{align*} 711.26 \\ + \quad 49.85 \\ \hline 761.11 \end{align*}$
The sum is $\boxed{\text{761.11}}$ .

2d)
Add the hundredths column
$9 + 7 = 16$ . Write down 6, carry over 1.
Add the tenths column
$6 + 8 + 1 (\text{carry-over}) = 15$ . Write down 5, carry over 1. Place the decimal point.
Add the ones column
$9 + 4 + 1 (\text{carry-over}) = 14$ . Write down 4, carry over 1.
Add the tens column
$1 + 1 + 1 (\text{carry-over}) = 3$ .
Add the hundreds column
$0 + 2 = 2$ .
$\begin{align*} 19.69 \\ + \quad 214.87 \\ \hline 234.56 \end{align*}$
The sum is $\boxed{\text{234.56}}$ .

3a)
Add the hundredths column
$5 + 4 + 5 = 14$ . Write down 4, carry over 1.
Add the tenths column
$3 + 1 + 4 + 1 (\text{carry-over}) = 9$ . Place the decimal point.
Add the ones column
$2 + 3 + 4 = 9$ .
Add the tens column
$4 + 1 + 2 = 7$ .
Add the hundreds column
$2 + 4 + 0 = 6$ .
$\begin{align*} 242.35 \\ 413.14 \\ + \quad 24.45 \\ \hline 679.94 \end{align*}$
The sum is $\boxed{\text{679.94}}$ .

3b)
Add the hundredths column
$2 + 5 + 7 = 14$ . Write down 4, carry over 1.
Add the tenths column
$4 + 1 + 1 + 1 (\text{carry-over}) = 7$ . Place the decimal point.
Add the ones column
$7 + 2 + 3 = 12$ . Write down 2, carry over 1.
Add the tens column
$3 + 3 + 9 + 1 (\text{carry-over}) = 16$ . Write down 6, carry over 1.
Add the hundreds column
$0 + 1 + 0 + 1 (\text{carry-over}) = 2$ .
$\begin{align*} 37.42 \\ 132.15 \\ + \quad 93.17 \\ \hline 262.74 \end{align*}$
The sum is $\boxed{\text{262.74}}$ .

3c)
Add the hundredths column
$3 + 9 + 2 = 14$ . Write down 4, carry over 1.
Add the tenths column
$1 + 2 + 8 + 1 (\text{carry-over}) = 12$ . Write down 2, carry over 1. Place the decimal point.
Add the ones column
$2 + 8 + 6 + 1 (\text{carry-over}) = 17$ . Write down 7, carry over 1.
Add the tens column
$4 + 4 + 5 + 1 (\text{carry-over}) = 14$ . Write down 4, carry over 1.
Add the hundreds column
$7 + 2 + 0 + 1 (\text{carry-over}) = 10$ .
$\begin{align*} 742.13 \\ 248.29 \\ + \quad 56.82 \\ \hline 1047.24 \end{align*}$
The sum is $\boxed{\text{1047.24}}$ .

3d)
Add the hundredths column
$7 + 1 + 5 = 13$ . Write down 3, carry over 1.
Add the tenths column
$2 + 8 + 0 + 1 (\text{carry-over}) = 11$ . Write down 1, carry over 1. Place the decimal point.
Add the ones column
$5 + 0 + 4 + 1 (\text{carry-over}) = 10$ . Write down 0, carry over 1.
Add the tens column
$1 + 1 + 9 + 1 (\text{carry-over}) = 12$ . Write down 2, carry over 1.
Add the hundreds column
$1 + 3 + 1 + 1 (\text{carry-over}) = 6$ .
$\begin{align*} 115.27 \\ 310.81 \\ + \quad 194.05 \\ \hline 620.13 \end{align*}$
The sum is $\boxed{\text{620.13}}$ .

Copy and Complete.

Step-by-step solution

Add the hundredths column

Add the tenths column

Add the ones column

Add the tens column

Add the hundreds column

Add the hundredths column

Add the tenths column

Add the ones column

Add the tens column

Add the hundreds column

Add the hundredths column

Add the tenths column

Add the ones column

Add the tens column

Add the hundreds column

Add the hundredths column

Add the tenths column

Add the ones column

Add the tens column

Add the hundreds column

Add the hundredths column

Add the tenths column

Add the ones column

Add the tens column

Add the hundreds column

Add the hundredths column

Add the tenths column

Add the ones column

Add the tens column

Add the hundreds column

Add the hundredths column

Add the tenths column

Add the ones column

Add the tens column

Add the hundreds column

Add the hundredths column

Add the tenths column

Add the ones column

Add the tens column

Add the hundreds column

Still stuck on this one?

More Mathematics Questions