📘 arithmetic

1. The problem asks to arrange the numbers 0.091, 0.019, 0.011, and 0.099 from smallest to largest. 2. To compare decimal numbers, look at the digits from left to right.

1. **State the problem:** Subtract 195 from 917 and check the result by adding. 2. **Write the subtraction:**

1. **State the problem:** Subtract and simplify the expression $$17 \frac{1}{6} - \frac{18}{30}$$. 2. **Convert mixed number to improper fraction:**

1. **State the problem:** Multiply 70000 by 8. 2. **Formula used:** Multiplication of two numbers is given by $$a \times b$$.

1. The problem is to add the numbers in the given column. 2. To solve this, we simply sum all the numbers listed in the column.

1. **State the problem:** Divide 40,731 by 89 using long division. 2. **Formula and rules:** Long division breaks down division into a series of easier steps by dividing, multiplyi

1. The problem is to multiply 16 by 9. 2. The multiplication formula is $a \times b = c$, where $a$ and $b$ are numbers and $c$ is their product.

1. The problem is to find the sum of 10 and 10. 2. The formula for addition is $a + b = c$, where $a$ and $b$ are numbers and $c$ is their sum.

1. **State the problem:** We need to find the sum of $60.16$ and $2.31$. 2. **Formula used:** Addition of decimal numbers is done by aligning the decimal points and adding correspo

1. **State the problem:** Calculate the product of 400 and 0.05. 2. **Formula used:** Multiplication of two numbers is given by $$a \times b$$.

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:** Find the value of $$123321 \div 2222 \div 111$$. 2. **Understand the order of operations:** Division is performed from left to right.

1. **State the problem:** We need to divide 324000 by 52 to find the result of $\frac{324000}{52}$. 2. **Formula used:** Division is the operation of distributing a number into equ

1. **State the problem:** We need to find the result of dividing 52 weeks by 324,000. 2. **Write the division expression:**

1. The problem is to find the missing number in the subtraction equation $$\_ - 514 = 253$$. 2. We use the subtraction property: If $$a - b = c$$, then $$a = b + c$$.

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 calculate the product of 9 and 1000. 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:** We need to find the result of dividing 20000 by 480. 2. **Formula used:** Division is represented as $$\frac{a}{b}$$ where $a$ is the numerator and $b$ is

1. **State the problem:** Calculate the value of the expression $$(20 \times 5000) + (10 \times 10000) + (6 \times 2500)$$. 2. **Apply multiplication:** Multiply each pair of numbe

1. The problem is to perform the addition of two numbers. 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. The number of tigerfish is counted as 11 (||||/ ||||/ | means 5 + 5 + 1 = 11). 2. The number of pufferfish is counted as 8 (||||/ ||| means 5 + 3 = 8).