📘 arithmetic

1. The problem is to verify the correctness of the given arithmetic calculations. 2. Addition and subtraction are straightforward: sum or difference of numbers.

1. **State the problem:** Divide 5.7 by 0.06. 2. **Formula and rule:** Division of decimals can be simplified by multiplying both the dividend and divisor by the same power of 10 t

1. The problem asks us to write the fraction $\frac{27}{100}$ as a decimal. 2. Recall that dividing by 100 means moving the decimal point two places to the left.

1. **State the problem:** Multiply 0.6529 by 100. 2. **Recall the rule for multiplying by powers of 10:** When multiplying a decimal number by 10, 100, 1000, etc., move the decimal

1. **State the problem:** We need to add the numbers 6555, 155, 44, and 9052. 2. **Write the addition formula:**

1. **State the problem:** Harry caught two fish. The first fish weighs 39 lb 12 oz, and the second fish weighs 24 lb 9 oz. We need to find how much more the first fish weighs than

1. **State the problem:** Subtract 17 lb 2 oz from 20 lb 15 oz. 2. **Understand the units:** 1 pound (lb) = 16 ounces (oz).

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:**