📘 arithmetic

1. **State the problem:** We need to divide $20625$ by $60$. 2. **Formula used:** Division is the operation of determining how many times one number is contained within another. Th

1. **State the problem:** We need to find the product of $275$ and $75$. 2. **Recall the multiplication formula:** Multiplying two numbers $a$ and $b$ is given by $$a \times b$$.

1. The problem is to multiply 7,250,000 by 36. 2. The formula for multiplication is $a \times b = c$, where $a$ and $b$ are numbers and $c$ is the product.

1. The problem is to find the equivalent of 1. 2. Since 1 is a unit value, its equivalent in any standard numerical system or unit is simply 1.

1. Let's state the problem: We want to check if $50$ is equal to $180 - 110$. 2. The formula used here is simple subtraction: $$a - b = c$$ where $a = 180$, $b = 110$, and $c$ is t

1. The problem involves calculating the products of given numbers: $61.6 \times 0.00102$ and $74.15 \times 0.0020$.\n\n2. We use the multiplication formula for decimals: multiply t

1. The problem is to find the product of 800 and 500. 2. The formula for multiplication is:

1. The problem is to multiply 100 by 700. 2. The formula for multiplication is $a \times b = c$, where $a$ and $b$ are numbers and $c$ is their product.

1. **State the problem:** Calculate the sum of 1 and 4. 2. **Formula used:** Addition of two numbers is given by $a + b$.

1. **State the problem:** We want to multiply $34$ by $27$ using the Russian peasant method. 2. **Explain the method:** The Russian peasant method involves repeatedly halving one n

1. **State the problem:** We want to multiply $34$ by $27$ using the Russian peasant multiplication method. 2. **Explain the method:** This method involves repeatedly halving the f

1. **State the problem:** We need to divide $95$ by $4$. 2. **Formula used:** Division is represented as $$\frac{a}{b}$$ where $a$ is the dividend and $b$ is the 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 the product of 6 and 122. 2. **Formula used:** Multiplication of two numbers is given by $a \times b$.

1. **Problem:** A girl scores 35 marks out of 40. Find the percentage. **Formula:** Percentage = $$\frac{\text{Obtained marks}}{\text{Total marks}} \times 100$$

1. **Problem:** A girl scores 35 marks out of 40. Find the percentage. **Formula:** Percentage = $$\frac{\text{Obtained marks}}{\text{Total marks}} \times 100$$

1. The problem is to understand how to perform division in mathematics. 2. Division is the operation of splitting a number into equal parts or groups.

1. **Problem:** A girl scores 35 marks out of 40. Find the percentage. 2. **Formula:** Percentage = $$\frac{\text{Part}}{\text{Whole}} \times 100$$

1. **Problem:** A girl scores 35 marks out of 40. Find the percentage score. 2. **Formula:** Percentage = $$\frac{\text{Part}}{\text{Whole}} \times 100$$

1. **State the problem:** Find 50% of 20. 2. **Formula:** To find a percentage of a number, use the formula $$\text{Percentage value} = \frac{\text{Percentage}}{100} \times \text{N

1. **State the problem:** We need to find the sum of $7.05$ and $3.7$. 2. **Recall the addition rule:** When adding decimal numbers, align the decimal points and add digit by digit