📘 arithmetic

1. The problem states that Keiko received $\frac{5}{8}$ of the 72 votes cast for class vice-president. We need to find how many votes she received. 2. The formula to find the part

1. The problem is to find the sum of 1 and 1. 2. The formula for addition is $a + b = c$, where $a$ and $b$ are numbers to add, and $c$ is the result.

1. The problem asks to find the value of 50 times 8. 2. The formula for multiplication is:

1. The problem is to find the sum of 2 and 2. 2. The formula for addition is $a + b = c$, where $a$ and $b$ are numbers and $c$ is their sum.

1. **Problem statement:** Given the numbers 300, 144, and 108, we need to: a. Create factor trees for each.

1. **Problem:** Solve $\frac{1}{2} \div \frac{1}{4}$ using a model and calculation. 2. **Formula:** Dividing fractions means multiplying the first fraction by the reciprocal of the

1. **State the problem:** Evaluate the expression $3.6 \times 5 - 4.8 \div 4 + 10.2$ using the BEDMAS order of operations. 2. **Recall BEDMAS:**

1. **State the problem:** Simplify the expression $+1 - 5$. 2. **Understand the operation:** This is a simple arithmetic problem involving addition and subtraction.

1. **State the problem:** You have 12.30 and want to buy comic books costing 2.50 each. How many comic books can you buy? 2. **Formula:** To find the number of comic books, divide

1. The problem shows a flowchart with the number 1000 in the center and arrows pointing to 624 (left), 2 (right), and 248 (down). 2. We want to understand how these numbers relate

1. **Stating the problem:** We have numbers 624, 1000, and 2 arranged with an arrow pointing down to 248. We want to understand the relationship or operation that leads from these

1. State the problem: Evaluate $2+5+200-0.5+3.6$.\n2. Formula: For addition of real numbers we add each term.\n\n$$S = a_1 + a_2 + \dots + a_n$$\n3. Important rules: align decimal

1. **State the problem:** We have the cost of one newspaper as 150 and one magazine as 350.

1. **State the problem:** We have three schools with students: School A has 615, School B has 735, and School C has 1035 students. We need to find the approximate total number of s

1. **Problem statement:** Manjari gave her son 1500 but he dropped a 200 note. We need to find what percentage of the money he is left with. 2. **Formula:** Percentage left = \( \f

1. **State the problem:** Calculate the product of 5 and 6. 2. **Formula used:** Multiplication of two numbers $a$ and $b$ is given by $a \times b$.

1. The problem is to understand the number 1 in a mathematical context. 2. Number 1 is the multiplicative identity, meaning for any number $a$, $a \times 1 = a$.

1. Stating the problem: Calculate the value of $0.1125 \div 0.45 + 0.2275 \div 0.65$.\n\n2. Use the division operation and addition: For any numbers $a$, $b$, and $c$, the expressi

1. **Stating the problem:** We want to understand how to divide a 3-digit number by another number. 2. **Formula and rules:** Division is the process of splitting a number into equ

1. The problem is to divide 190 by 27. 2. The division formula is $\text{Dividend} \div \text{Divisor} = \text{Quotient}$.

1. Stating the problem. Anna made a profit of 1200, saved 600, and shared the rest equally between her two daughters. How much did each receive?