📘 arithmetic

1. **State the problem:** Multiply the mixed numbers $6 \frac{4}{5}$ and $2 \frac{3}{5}$. 2. **Convert mixed numbers to improper fractions:**

1. **Problem:** A 34-pound bag of bird seed is shared equally among 8 feeders. How many pounds go in each feeder? 2. **Formula:** To find how much each feeder gets, divide the tota

1. Let's look at the sea glass pieces you found at each time: **Box 1:**

1. **State the problem:** We need to calculate the value of $-4.69 - (-2.56)$. 2. **Understand the operation:** Subtracting a negative number is the same as adding its positive cou

1. **State the problem:** We have 9 red gems, each worth 3 points, and 24 blue gems, each worth -2 points. We want to find the total points.

1. **State the problem:** Skylar got a manicure for 28 and a pedicure for 35. She plans to tip 15%. We need to find the total amount she will pay including the tip. 2. **Formula:**

1. **State the problem:** Calculate the sum of 5 and 5. 2. **Formula used:** Addition of two numbers is given by $a + b$.

1. The problem is to calculate the product of 0.65 and 100. 2. The formula for multiplication is $a \times b = c$, where $a$ and $b$ are numbers and $c$ is their product.

1. **State the problem:** Add the numbers 652.37, 29.978, and 810. 2. **Write the addition expression:**

1. **State the problem:** Calculate the sum of 2 and 2. 2. **Formula used:** Addition of two numbers is given by $a + b$.

1. **State the problem:** Multiply 2 by the mixed number $2\frac{5}{8}$. 2. **Convert the mixed number to an improper fraction:**

1. The problem is to find the product of 9 and 50. 2. We use the multiplication formula: $a \times b = c$, where $a=9$ and $b=50$.

1. The problem asks to express $3 \times 80$ in terms of tens. 2. We know that $80$ can be written as $8$ tens because $80 = 8 \times 10$.

1. **State the problem:** Calculate the sum of 6 and 3. 2. **Formula used:** Addition of two numbers is given by $a + b$.

1. The problem is to find the quotient of $2 \div 0.2$. 2. Division by a decimal can be converted to division by a whole number by multiplying both the dividend and divisor by the

1. The problem is to find the result of the subtraction $$2 \frac{2}{3} - 4 \frac{1}{3}$$. 2. First, convert the mixed numbers to improper fractions.

1. **State the problem:** Melanie walks 3.5 miles each day and burns 140 calories per mile. We need to find how many calories she burns each day. 2. **Formula:** Total calories bur

1. **State the problem:** Calculate the sum of 1 and 1. 2. **Formula used:** Addition of two numbers is given by $a + b$.

1. The problem is to compare the fractions $\frac{3}{6}$ and $\frac{2}{6}$. 2. Both fractions have the same denominator, which means they represent parts of the same whole divided

1. Problem: Matt answered 40% of 40 questions correctly. How many did he answer incorrectly? 2. Formula: Number incorrect = Total questions - Number correct

1. The problem is to convert the fraction $\frac{72}{25}$ into a decimal. 2. To convert a fraction to a decimal, divide the numerator by the denominator.