📘 arithmetic

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. $7 + (-8) = -1$

1. The problem is to verify the arithmetic operation $8 + 10 = 18$. 2. The operation is addition, where we combine two numbers to get their sum.

Let's learn how to do $5 \times 5$! 🎉 **Step 1:** Imagine you have 5 groups of 5 apples each. 🍎🍎🍎🍎🍎

1. **State the problem:** Jack sold $\frac{3}{7}$ of 63 books, and Amelia sold $\frac{6}{7}$ of 42 books. We need to find the difference between the numbers of books they each sold

1. **State the problem:** Multiply 1.25 by 32. 2. **Recall the multiplication rule:** To multiply decimals, multiply as if they were whole numbers, then place the decimal point in

1. State the problem. Daniela made gift bows from 8 yards of ribbon and she made 16 bows. How much ribbon did she use for each bow?

1. The problem asks: Quinn divides 40 by 9. Between what two whole numbers is the answer? 2. To find the answer, we perform the division: $$\frac{40}{9}$$.

1. The problem is to calculate the product $0.1 \times 0.1 \times 0.1 \times 0.1$. 2. The formula for multiplying decimals is to multiply the numbers as if they were whole numbers,