📘 arithmetic

1. **Problem:** Calculate $27 + 0.6 + 0.02$. 2. **Formula:** Addition of decimals and whole numbers.

1. **State the problem:** A baker needs 5 lb of butter. She has two portions each weighing $1 \frac{1}{6}$ lb and one portion weighing $2 \frac{2}{7}$ lb. We need to check if the t

1. **State the problem:** We have two roller coaster rides with different durations. The first ride, Supreme Ride, lasts 2 1/2 minutes. The second ride, Soul for Dragon, lasts 135

1. **State the problem:** We need to find half of 528. 2. **Formula used:** To find half of a number, we multiply the number by $\frac{1}{2}$ or divide it by 2.

1. The problem asks to write each phrase as a decimal. 2. The example given is "six hundred thirty and four hundred seventy-six thousandths" which is written as $630.476$.

1. **State the problem:** We need to find the cost per person when the total bill for nine people is 135. 2. **Formula used:** To find the cost per person, divide the total bill by

1. **State the problem:** 8 children raised a total of £96 by helping to pack bags at a local supermarket. Each child raised the same amount. We need to find out how much each chil

1. The problem asks to solve the addition of two decimal numbers: $$94.852 + 4.007 = n$$. 2. The formula for addition is straightforward: add the numbers digit by digit, aligning t

1. **Stating the problem:** Calculate 20% of 500. 2. **Formula used:** To find a percentage of a number, use the formula:

1. The problem is to evaluate the expression with the numbers given: $-4$, $-10$, and $3$. 2. Since the user only provided numbers without an explicit operation, let's consider a c

1. **State the problem:** Carrie eats 2 whole satsumas and then eats 1 segment out of 8 equal segments of another satsuma. We need to find the total satsumas eaten as an improper f

1. **State the problem:** We need to multiply 68 by 59 using the box method. 2. **Explain the box method:** The box method breaks each number into place values and multiplies each

1. **State the problem:** We need to multiply 68 by 54 using the box method. 2. **Explain the box method:** The box method breaks each number into place values and multiplies each

1. The problem is to convert a given number to its decimal form. 2. To convert a fraction or any number to decimal, divide the numerator by the denominator or evaluate the number a

1. Problem statement: Represent the magnitude of the number -8 using tiles as in the picture. A red tile denotes a negative unit and a yellow tile denotes a positive unit.

1. The problem is to evaluate the expression $9325:36$, which means dividing 9325 by 36. 2. The formula for division is $$\text{Quotient} = \frac{\text{Dividend}}{\text{Divisor}}$$

1. The problem is to round a number to the nearest tenth. 2. The rule for rounding to the nearest tenth is to look at the hundredths place (the second digit to the right of the dec

1. **State the problem:** Calculate the product of 7 and 3. 2. **Formula used:** Multiplication of two numbers $a$ and $b$ is given by $a \times b$.

1. The problem is to find the result of the subtraction $53 - 149$. 2. The formula for subtraction is $a - b$, where $a$ and $b$ are numbers.

1. The problem is to find the result of the subtraction $53 - 149$. 2. The formula for subtraction is $a - b$, where $a$ and $b$ are numbers.

1. The problem is to simplify the expression $15 - 9$ and then subtract the result from 10. 2. First, calculate $15 - 9$ using subtraction: