📘 arithmetic

1. The problem asks to calculate $9.035 - 6.144$. 2. To subtract these decimals, align the decimal points:

1. The problem is to interpret the expression "8,3X0,72" which appears to be a number with commas and an uppercase X. 2. Assuming the commas are decimal separators and the X repres

1. **State the problem:** We need to find the total number of standard rooms in a hotel that has 6 floors with guestrooms, each floor having 35 standard rooms.

1. The problem is to evaluate the expression for the first exercise listed: E) 4 - 6. 2. The operation is subtraction. The formula for subtraction is $a - b = c$, where $a$ and $b$

1. The problem is to divide 22 by 5 using long division and show all the steps. 2. Long division is a method to divide two numbers to find the quotient and remainder.

1. **State the problem:** We need to add the mixed numbers $7 \frac{7}{10}$ and $3 \frac{5}{6}$. 2. **Convert mixed numbers to improper fractions:**

1. **State the problem:** We need to find the greatest number of students that can be arranged in each row such that each row contains only girls or only boys, and the number of st

1. **State the problem:** Calculate the sum of $-12$ and $-7$. 2. **Formula and rules:** When adding two negative numbers, add their absolute values and keep the negative sign.

1. **State the problem:** Kylie has 30 oatmeal cookies and 48 chocolate chip cookies. She wants to divide them into identical containers so that each container has the same number

1. **State the problem:** Divide 2860 by 3 using long division. 2. **Recall the division formula:** Dividend = Divisor \times Quotient + Remainder.

1. The problem is to divide 785 by 9 using long division. 2. The formula for division is: $$\text{Dividend} = (\text{Divisor} \times \text{Quotient}) + \text{Remainder}$$

1. Problem statement: Compute the area $A$ given $A = 3.75 \times 8$. 2. Strategy: Convert the decimal to a fraction to make multiplication easier and avoid decimal errors.

1. **State the problem:** We need to find the result of subtracting 50 from 97. 2. **Recall the subtraction operation:** Subtraction means taking away a number from another number.

1. **Problem:** Joe buys a pasting table, 2 paste brushes, and a craft knife on day one. We need to find the total cost. 2. **Given:** Estimate is 34.39 euros.

1. The problem is to perform multiple operations without converting numbers into fractions or other forms. 2. When multiplying numbers, multiply the numerators together and the den

1. The problem is to multiply 3580 by 0.26. 2. The formula for multiplication is:

1. Let's start with a fractions problem: Suppose you want to add $\frac{3}{4}$ and $\frac{2}{5}$.\n\n2. The formula for adding fractions is to find a common denominator and then ad

1. State the problem: Compute $1914 + 2 - 284.97$. 2. Rule: For addition and subtraction evaluate from left to right, so $a + b - c = (a + b) - c$.

1. **State the problem:** We need to find the sum of the following numbers: $$438.93, 351.14, 657.37, 526.71, 1053.42, 982.82, 175.57, 263.36, 219.46, 87.89, 131.68$$

1. **State the problem:** Evaluate the expression $60 + 10 \times 0 + 6 + 2$. 2. **Recall the order of operations:** Multiplication is performed before addition.

1. **State the problem:** Subtract the mixed numbers $28 \frac{2}{4}$ and $5 \frac{2}{3}$ and reduce the result to simplest form. 2. **Convert mixed numbers to improper fractions:*