📘 arithmetic

Let's solve this step by step! 🎉 **Step 1:** Imagine Lily has some money. Let's call Lily's money $x$.

1. **State the problem:** We need to find the result of subtracting 2 wholes and one fourth from 2 wholes and one half. 2. **Write the mixed numbers as improper fractions:**

1. **State the problem:** We need to find the total number of raffle tickets in the bucket if 48 people each received 4 tickets. 2. **Formula used:** Total tickets = Number of peop

1. The problem is to multiply 641.1 by 8.9. 2. The multiplication formula is $a \times b = c$, where $a=641.1$ and $b=8.9$.

1. **Problem:** Calculate $4 \times 5 \div 2$ using the order of operations. 2. **Formula and rules:** According to the order of operations (PEMDAS/BODMAS), multiplication and divi

1. The problem asks to perform division for several numbers by 2, 3, 4, and 5. 2. The formula for division is:

1. **State the problem:** We want to find out how many pigs can share 3 blocks if each pig gets $\frac{1}{2}$ of a block. 2. **Formula used:** To find the number of pigs, divide th

1. The problem is to subtract the numbers 34 from 22, i.e., calculate $22 - 34$. 2. The subtraction formula is $a - b$, where $a$ and $b$ are numbers.

1. **State the problem:** Subtract the mixed numbers $3 \frac{1}{4}$ and $2 \frac{1}{3}$. 2. **Convert mixed numbers to improper fractions:**

1. The problem is to add two numbers. 2. The formula for addition is simply $a + b$, where $a$ and $b$ are the two numbers.

1. The problem is to find the product of 90 and 70. 2. The formula for multiplication is simply $a \times b = c$, where $a$ and $b$ are the numbers to multiply.

1. **State the problem:** Multiply 38 by 16. 2. **Formula used:** Multiplication of two numbers $a$ and $b$ is $a \times b$.

1. **State the problem:** We need to calculate $15 \div \frac{1}{5}$. This means dividing 15 by the fraction one-fifth. 2. **Recall the division rule for fractions:** Dividing by a

1. **State the problem:** We need to add the decimals for questions 26 to 30 and round the answer for question 26 to the nearest whole number. 2. **Recall the addition rule for dec

1. **Stating the problem:** Multiply the decimal numbers given in part (a): $0.2 \times 0.7$. 2. **Formula used:** Multiplication of decimals is done by multiplying the numbers as

1. **State the problem:** The penguin nursery is open two times a day: half an hour at noon and half an hour in the afternoon. We need to find the total time it is open every day.

1. The problem asks which expressions have a quotient of 8. 2. The quotient is the result of division. We need to evaluate each expression and check if the result equals 8.

1. **State the problem:** We need to find the quotient of dividing 36.4 by 2.8. 2. **Recall the division formula:**

1. State the problem: Compute $92 \div 18$. 2. Write the division as a fraction: $92 \div 18 = \frac{92}{18}$.

1. **State the problem:** We need to find how much higher Air can jump compared to Tom. 2. **Identify the given values:**

1. $8 + 10 = 18$ 2. $7 + (-8) = -1$