📘 arithmetic

1. The problem asks to identify a factor of 10. 2. A factor of a number is an integer that divides the number exactly without leaving a remainder.

1. The problem is to understand and work with the numbers: $\frac{1}{2}$, 2, 3, and 4. 2. These numbers include a fraction ($\frac{1}{2}$) and whole numbers (2, 3, 4).

1. 题目是计算表达式：$50 - 40 - 2$。 2. 计算时，减法是从左到右依次进行的。

1. **State the problem:** Calculate the sum of 4 and 5. 2. **Formula used:** Addition of two numbers is given by $a + b$.

1. **State the problem:** Calculate the sum of 65 and 92. 2. **Formula used:** Addition of two numbers is given by $a + b$.

1. 18 - 0.8 = 17.2 2. 8 - 0.07 = 7.93

1. **Problem:** Find the difference for $18 - 0.8$. 2. **Formula:** Subtraction of decimals from whole numbers is done by aligning decimal points and subtracting as usual.

1. The problem is to find the sum of the two numbers 8 and 9. 2. The formula for addition is simply $a + b$, where $a$ and $b$ are the numbers to be added.

1. The problem is to subtract fractions from whole numbers and express the answer as mixed numbers if possible. 2. The formula for subtracting a fraction from a whole number $a - \

1. Problem: Multiply 0.38 by 0.127. Formula: To multiply decimals, multiply as if they were whole numbers, then count the total decimal places in both numbers and place the decimal

1. The problem is to calculate sums and differences of decimals. 2. The rule for adding or subtracting decimals is to align the decimal points vertically.

1. The problem is to find the sum of 72 and 6. 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 is to add the numbers 1 and 5. 2. The formula for addition is simply $a + b = c$, where $a$ and $b$ are the numbers to add, and $c$ is the sum.

1. **Stating the problem:** A poultry farmer has 6 lorries, each loaded with 220 crates of eggs weekly. Each crate contains 30 eggs. We need to find the total eggs sold in: a) 4 mo

1. **Problem 17:** Arrange the numbers 2,576,895; 257,895; 2,600,120; 2,062,001; 10,000,003; and 967,599 in ascending order. 2. **Step 1:** Understand ascending order means from sm

1. **State the problem:** Add the two very large numbers:

1. **State the problem:** Multiply 24 by 0.003. 2. **Formula used:** Multiplication of two numbers is given by $a \times b$.

1. **State the problem:** Multiply 2 by 64.37. 2. **Formula used:** Multiplication of two numbers is given by $a \times b$.

1. **Stating the problem:** Arrange the numbers 2,576,895; 257,895; 2,600,120; 2,062,001; 10,000,0003; and 967,599 in ascending order of magnitude. 2. **Understanding the problem:*

1. **Stating the problem:** We need to solve three arithmetic problems using addition and subtraction. 2. **Formulas and rules:**

1. **State the problem:** We need to find how many pieces of length $\frac{3}{5}$ metres can be cut from a wire that is $\frac{9}{5}$ metres long. 2. **Formula used:** To find the