Question

activity 4·distributed practice solve. 1. \\(\

$$\begin{array}{r} 456 \\\\ + 987 \\\\ \\hline \\end{array}$$

\\) 2. \\(\

$$\begin{array}{r} 1,500 \\\\ - 800 \\\\ \\hline \\end{array}$$

\\) 3. \\(\

$$\begin{array}{r} 46 \\\\ \\times 3 \\\\ \\hline \\end{array}$$

\\) 4. \\(\times\\)

Explanation:

Problem 1:

Step1: Add digits in ones place

$6 + 7 = 13$, write down 3, carry over 1.

Step2: Add digits in tens place with carry

$5 + 8 + 1 = 14$, write down 4, carry over 1.

Step3: Add digits in hundreds place with carry

$4 + 9 + 1 = 14$, write down 14.

Step1: Subtract hundreds place

$1500 - 800$, since $15 - 8 = 7$ in hundreds (considering 1500 as 15 hundreds and 800 as 8 hundreds).

Step2: Write the result

So $1500 - 800 = 700$.

Step1: Multiply ones place

$6\times3 = 18$, write down 8, carry over 1.

Step2: Multiply tens place with carry

$4\times3 + 1 = 13$, write down 13.

Answer:

$$\begin{array}{r} 456\\ +987\\ \hline 1443 \end{array}$$

Problem 2: