📘 arithmetic

1. The problem is to find $\frac{3}{4}$ of 12. 2. The formula to find a fraction of a number is:

1. The problem is to understand the place values of digits in three-digit numbers and how to break down numbers into hundreds, tens, and units. 2. Each three-digit number can be ex

1. The problem is to round a given number to the nearest pound. 2. The rule for rounding to the nearest whole number (pound) is:

1. **State the problem:** Calculate the result of the subtraction $25 - 16$. 2. **Recall the subtraction operation:** Subtraction means taking away the second number from the first

1. The problem is to divide 2 by 64. 2. The formula for division is $\frac{a}{b}$ where $a$ is the numerator and $b$ is the denominator.

1. **State the problem:** We need to calculate $2$ divided by $64$. 2. **Write the division as a fraction:**

1. Problem: Calculate the sum $1.25 + 0.29$. 2. Formula: Addition of decimals is done by aligning the decimal points and adding digit by digit.

1. The problem appears to involve simplifying or evaluating the expression with numbers 5, 3, 3, and 25. 2. Since the input is unclear, let's assume the problem is to multiply 5 by

1. **State the problem:** There are 30 students in the class, and two-thirds of them are girls. We need to find how many girls are in the class. 2. **Formula used:** To find a frac

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

1. The problem is to write the sum $30 + 4 + \frac{3}{10} + \frac{0}{100} + \frac{8}{1000}$ as a decimal number. 2. Recall the place value system: units, tenths ($\frac{1}{10}$), h

1. The problem is to calculate the product of 5 and 0. 2. The formula for multiplication is $a \times b$, where $a$ and $b$ are numbers.

1. The problem is to find the sum of 5 and 5. 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 calculate the division of 20 by 5. 2. The formula for division is $\frac{a}{b}$ where $a$ is the numerator and $b$ is the denominator.

1. The problem is to understand and work with fractions suitable for class 5 students. 2. A fraction represents a part of a whole and is written as $\frac{a}{b}$ where $a$ is the n

1. **State the problem:** Multiply 123 by 89. 2. **Formula used:** Multiplication of two numbers is done by repeated addition or using the standard multiplication algorithm.

1. **State the problem:** Calculate the product of two numbers in scientific notation: $(246)0.16$ and $(265)0.09$. 2. **Rewrite the problem:** The numbers can be interpreted as $2

1. **State the problem:** Calculate the sum of 100 and 300. 2. **Formula used:** Addition of two numbers is given by $a + b$.

1. **State the problem:** Add the mixed numbers $5 \frac{11}{21}$ and $3 \frac{4}{7}$. 2. **Convert mixed numbers to improper fractions:**

1. **State the problem:** We need to find the result of dividing 9216 by 72. 2. **Write the division expression:**

1. Let's start by stating the problem: How to divide a two-digit number by another number. 2. The general formula for division is: