📘 arithmetic

1. The problem is to understand the number $12$ given by the user. 2. Since there is no explicit question, we interpret this as a request to explain or work with the number $12$.

1. **State the problem** We need to divide $\frac{1}{9} \div \frac{9}{4} \div \frac{4}{3}$.

1. **Problem:** Circle the problems that equal $9$. - $10 - 1 = 9$

1. **State the problem:** We want to find the average number of acres per farm in West Virginia. 2. **Understand the data:** The total farmland is $3,500,000$ acres, and there are

1. **State the problem:** We need to divide $7,740$ by $60$. 2. **Formula used:** Division is performed as $\text{Quotient} = \frac{\text{Dividend}}{\text{Divisor}}$

1. **State the problem:** We need to divide $7,740$ by $60$. 2. **Formula used:** Division is performed as $$\text{Quotient} = \frac{\text{Dividend}}{\text{Divisor}}$$

1. **State the problem:** Calculate the sum of 1 and 1. 2. **Formula used:** Addition of two numbers is given by $a + b$.

1. **State the problem:** Calculate $1^1 \times 2 + 15$. 2. **Recall the rules:**

1. Problem: Convert the decimal 0.6 to a percentage. 2. Formula: To convert a decimal to a percentage, multiply by 100 and add the % sign.

1. **State the problem:** Calculate the sum of the numbers 4000, 1000, 1700, 30000, and 12700. 2. **Formula used:** To find the total sum, add all the numbers together:

1. The problem is to calculate $1 - 5$. 2. The subtraction operation means taking away 5 from 1.

1. **Problem:** Calculate the value of $6 \div 3 + 2$. 2. **Formula and rules:** Use the order of operations (PEMDAS/BODMAS): Parentheses, Exponents, Multiplication and Division (l

1. **State the problem:** Calculate the value of the expression $\frac{50}{3} + 32 - 2$.\n\n2. **Recall the order of operations:** Division and multiplication are performed before

1. **State the problem:** We need to divide $0.9$ by $8$ and round the result to the nearest whole number. 2. **Write the division expression:** $$\frac{0.9}{8}$$

1. **State the problem:** We need to calculate the sum of $307.28$ and $80.976$. 2. **Write the addition expression:**

1. **State the problem:** We need to find the total cost when a teacher buys two notepads, one pencil, and one mini whiteboard. 2. **List the prices:**

1. The problem is to find the sum of 1 and 1. 2. The formula for addition is $a + b = c$, where $a$ and $b$ are numbers and $c$ is their sum.

1. The problem is to find the sum of 531 and 45. 2. The formula for addition is simply combining the values: $$a + b$$ where $a=531$ and $b=45$.

1. **State the problem:** Calculate $555 \div 10$ mentally. 2. **Understand the division:** Dividing by $10$ means moving the decimal point one place to the left.

1. **State the problem:** We need to calculate the division of $555$ by $10$. 2. **Formula used:** Division is the operation of splitting a number into equal parts. The formula is

1. The problem is to multiply two large numbers: 79209985234 and 9812409821. 2. The multiplication formula is straightforward: $$a \times b$$ where $a=79209985234$ and $b=981240982