📘 arithmetic

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

1. The problem is to find the sum of 6 and 7. 2. The formula for addition is $a + b = c$, where $a$ and $b$ are numbers and $c$ is their sum.

1. **State the problem:** Calculate the value of the sum $$0.05\times16 + 0.06\times15 + 0.07\times15 + 0.08\times16 + 0.09\times15 + 0.10\times15 + 0.11\times15 + 0.12\times16 + 0

1. **Problem:** Divide $574.0$ by $0.7$. 2. **Rule:** To divide by a decimal, multiply both dividend and divisor by $10^{n}$ where $n$ is the number of decimal places in the diviso

1. **State the problem:** John's training log shows laps he ran and walked. We need to find:

1. Great question! 🌟 2. Multiplication is like adding the same group again and again.

Let's learn multiplication step by step! 🎉 1️⃣ Imagine you have 3 groups of apples, and each group has 4 apples. 🍎🍎🍎🍎

Let's add 2 + 2 together! 🎉 **Step 1:** Imagine you have 2 big apples 🍎 🍎

1. Great question! 🌟 2. Multiplication is like fast adding.

1. Great! Let’s add two tiny groups.\n2. Imagine $2$ apples and $2$ apples.\n3. 🍎🍎\n 🍎🍎\n4. Count them all: $1,2,3,4$.\n5. So, $2+2=4$.\n6. You did a great job! 🌟

**Step 1:** Imagine you have 2 big apples 🍎 🍎. <div style='border: 3px solid #FF5733; padding: 15px; border-radius: 10px; display: inline-block; background-color: #FFCCCB;'>

1. Great! Let’s add $2 + 2$.\n2. Imagine 2 apples 🍎🍎 and 2 more apples 🍎🍎.\n3. Put them together: 🍎🍎 + 🍎🍎 = 🍎🍎🍎🍎\n4. Count all the apples: $1, 2, 3, 4$.\n5. So, $2 + 2 = 4$.\n6. Aw

1. **State the problem:** We need to subtract the fraction $2/3$ from the mixed number $1\ 3/4$ and express the answer as a mixed number in simplest form. 2. **Convert the mixed nu

1. **State the problem:** We need to find the total sum of the given figures. 2. **List the figures:** 5000, 20000, 20000, 20000, 10000, 190000, 8280, 36000, 30000, 50000, 50000, 6

1. **State the problem:** We need to find the total sum of the given figures. 2. **List the figures:** $77050, 70000, 100000, 33959.50, 64868.19, 100000, 22080, 17206.02, 124862.50