📘 arithmetic

1. The problem is to multiply 5 by 8. 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:** We need to find the result of dividing 6 by 30. 2. **Formula used:** Division is represented as $\frac{a}{b}$ where $a$ is the numerator and $b$ is the de

1. **State the problem:** Multiply 100,000 by 41.6. 2. **Recall the multiplication rule:** When multiplying a whole number by a decimal, multiply as if both were whole numbers, the

1. **State the problem:** Multiply 0.24 by 1,000. 2. **Recall the multiplication rule for decimals and powers of 10:** Multiplying a decimal number by 1,000 (which is $10^3$) shift

1. **State the problem:** Multiply 10 by 0.019. 2. **Formula used:** Multiplication of two numbers is done by multiplying their values directly.

1. **State the problems:** We need to subtract the mixed fractions in each problem:

1. **State the problem:** Multiply 100000 by 0.292. 2. **Formula used:** Multiplication of two numbers is done by multiplying their values directly.

1. **State the problems:** We need to subtract mixed numbers:

1. The problem involves converting fractions to decimal form using division. 2. For the first example, $\frac{2}{9}$, the long division shows the quotient as approximately $0.22$.

1. The problem is to evaluate the expression $9 \times \frac{6}{2} \times 11$. 2. The order of operations (PEMDAS/BODMAS) tells us to perform multiplication and division from left

1. The problem is to convert the fractions $\frac{5}{8}$, $\frac{5}{6}$, and $\frac{9}{22}$ into decimal form. 2. The formula to convert a fraction to a decimal is to divide the nu

1. **State the problem:** Calculate the product of 9 and \(\frac{7}{8}\). 2. **Formula used:** When multiplying a whole number by a fraction, multiply the whole number by the numer

1. **State the problem:** Calculate the sum of the numbers 61, 45, 52, 48, 53, 49, 57, 46, 60, 54, and 58. 2. **Formula used:** To find the sum of a list of numbers, add them all t

1. The problem is to understand what a decimal number is. 2. A decimal number is a number that uses a decimal point to separate the whole part from the fractional part.

1. **Problem Statement:** A man bought 5 reams of duplicating paper, each supposed to contain 450 sheets. The actual sheets in the packets are 415, 410, 400, 415, and 405. We need

1. Stating the problems: We need to subtract mixed numbers:

1. The problem appears to involve calculating total costs or sales based on given quantities and prices for three items: Limit, Somah, and Binka. 2. We use the formula: Total Cost

1. **State the problem:** Calculate $16 - 7 \frac{3}{14}$. 2. **Convert the mixed number to an improper fraction:**

1. **Problem 9:** Calculate $16 - 7 \frac{3}{14}$. 2. Convert the mixed number $7 \frac{3}{14}$ to an improper fraction:

1. **Stating the problem:** Calculate the following subtractions involving mixed numbers and fractions: 1) $3 - 1 \frac{4}{5}$

1. **Problem 1:** Calculate $3 - 1 \frac{4}{5}$. 2. **Problem 2:** Calculate $10 \frac{1}{4} - \frac{7}{15}$.