📘 arithmetic

1. **State the problem:** We need to find the unit price per pen when a pack of 6 pens costs 4.50. 2. **Formula:** The unit price per pen is calculated by dividing the total cost b

1. **State the problem:** We need to find the unit price per pen when a pack of 6 pens costs 4.50. 2. **Formula used:** Unit price per pen = Total cost ÷ Number of pens

1. **State the problem:** We have $\frac{2}{3}$ of a yard of ribbon, and we want to cut it into pieces each $\frac{1}{6}$ yard long. We need to find how many pieces we get. 2. **Fo

1. **State the problem:** We need to solve the expression $-7 + 21$. 2. **Understand the operation:** This is an addition problem involving a negative and a positive number.

1. The problem asks us to perform division. 2. Division is the process of splitting a number into equal parts or groups.

1. **State the problem:** Add all the given numbers: 13.2, 16, 10.8, 16, 2.7, 14.8, 11.1, 12, 13.2, 9.2, 14.8, 14.8, 16, 16, 14.8, 13.2. 2. **Add the numbers step-by-step:**

1. **State the problem:** Hugo walks \(\frac{5}{6}\) mile on Monday and \(\frac{1}{3}\) mile on Tuesday. We need to find how much farther he walks on Monday than on Tuesday.\n\n2.

1. The problem asks to write the given numbers in standard form, which means expressing them as numerals. 2. Standard form is simply writing the number using digits instead of word

1. Problem: Understand whole numbers, integers, even & odd numbers, prime & composite numbers, factors & multiples, LCM, GCF, divisibility rules, absolute value, place value, round

1. The problem is to evaluate the expression $-2$. 2. This is a simple integer with a negative sign, so the value is just negative two.

1. **State the problem:** Calculate the value of $\frac{19+2}{9-2} + 14$. 2. **Apply the order of operations:** First, solve the expressions inside the parentheses.

1. The problem is to find the product of 14 and 12. 2. The formula for multiplication is simply $a \times b = c$, where $a$ and $b$ are numbers and $c$ is their product.

1. **Problem a:** Find which operation to complete first in the expression $12 \times 2 + (6 \div 3)$. 2. According to the order of operations (PEMDAS/BODMAS), parentheses are done

1. **State the problem:** Calculate the value of the expression $12 \div (4 - 2.3)$. 2. **Recall the order of operations:** Parentheses first, then division. We must first evaluate

1. **State the problem:** Zarina walks around a square park with side length $\frac{7}{8}$ miles. She walks around the park $2 \frac{1}{2}$ times. We need to find the total distanc

1. **State the problem:** We need to calculate the division of 13 by 55, i.e., find the value of $\frac{13}{55}$.\n\n2. **Formula used:** Division of two numbers $a$ and $b$ (with

1. The problem is to evaluate the expression $2$. 2. Since the expression is a single number, there is no operation to perform.

1. **State the problem:** Evaluate the expression $ (6 \times 8 + 27) - 43 \times 5 $. 2. **Apply order of operations:** First, calculate the multiplication inside the parentheses

1. **State the problem:** Calculate $700 \div 42,000$. 2. **Formula used:** Division of two numbers is given by $$\text{Quotient} = \frac{\text{Dividend}}{\text{Divisor}}$$

1. **State the problem:** Calculate the value of the expression $10 \times 7 \times \left(8 \div 40\right) \times 7 \times 2$. 2. **Recall the order of operations:** Perform operat

1. The problem is to round numbers to the nearest 10 or 100 based on the underlined digit. 2. The rule for rounding is: Look at the digit to the right of the place value you are ro