📘 arithmetic

1. The problem states that out of 25 buttons, 12 are black and the rest are white. 2. To find the number of white buttons, we use the formula:

1. **State the problem:** Find how many more ounces the basketball weighs compared to the baseball. 2. **Given:**

1. The problem asks to find the value of $-1 - 4 \frac{2}{3}$ and model it on the number line. 2. First, convert the mixed number $4 \frac{2}{3}$ to an improper fraction:

1. The problem is to divide 5 by \frac{1}{3}.\n\n2. The formula for dividing by a fraction is to multiply by its reciprocal. That is, \n$$a \div \frac{b}{c} = a \times \frac{c}{b}$

1. The problem is to evaluate the expression $720 \div 9 \times 3 \div 12 \div 2 \times 33$. 2. According to the order of operations, division and multiplication are performed from

1. **State the problem:** Multiply the mixed fractions $2 \frac{4}{5}$ and $2 \frac{1}{7}$. Simplify the result. 2. **Convert mixed fractions to improper fractions:**

1. **State the problem:** We need to add all the given numbers together. 2. **List the numbers:**

1. **State the problem:** Multiply the whole numbers 253 and 36. 2. **Write the multiplication setup:**

1. **State the problem:** Multiply 348 by 18. 2. **Write the multiplication:**

1. **Problem Statement:** Calculate the product of the two-digit numbers $64$ and $63$. 2. **Formula:** Multiplication of two numbers $a$ and $b$ is given by $$a \times b$$.

1. The problem is to find the value of 2. 2. Since the problem is simply to answer 2, the answer is 2.

1. **State the problem:** We need to find how many buses are required to transport 7,219 fans if each bus holds 43 people. 2. **Formula:** To find the number of buses, divide the t

1. **State the problem:** A ferry needs to transport 5,269 people across a river. Each trip can carry 75 people. We need to find how many people will be on the last trip. 2. **Form

1. **State the problem:** Multiply 627.25 by 360. 2. **Write the multiplication:**

1. **State the problem:** Multiply 627.25 by 350. 2. **Write the multiplication:**

1. The problem is to add the mixed numbers $2 \frac{3}{5}$ and $1 \frac{2}{5}$. 2. First, convert the mixed numbers to improper fractions.

1. **State the problem:** You want to find the total cost of two pairs of glasses. The first pair is full price, and the second pair has a 32.7% discount. 2. **Given:** Full price

1. **State the problem:** There are 56 sheep in a paddock. We want to understand or analyze this number in some way, such as counting or grouping. 2. **Formula or concept:** Since

1. **State the problem:** We need to find the sum of 327.79 and 321.58 and then estimate to check if the answer is reasonable. 2. **Add the numbers:**

1. **State the problem:** (a) Double the sum of 8 and 3.

1. **State the problem:** Divide 5.084 by 0.82. 2. **Write the division expression:** $$\frac{5.084}{0.82}$$