📘 arithmetic

1. **Stating the problem:** Four children share $\frac{3}{8}$ of a big cake equally. We need to find what fraction of the cake each child gets. 2. **Formula used:** When a quantity

1. **State the problem:** Calculate the sum of 76 and 896675. 2. **Formula used:** Addition of two numbers is given by $$a + b$$ where $a=76$ and $b=896675$.

1. **State the problem:** We need to divide 79.87 by -4.9. 2. **Recall the division rule:** Dividing a positive number by a negative number results in a negative quotient.

1. The first problem is to find the error and correct the expression $4 - 8$. 2. The expression $4 - 8$ means subtracting 8 from 4.

1. **Stating the problem:** Multiply the numbers 3 and 3. 2. **Formula used:** Multiplication of two numbers is given by $a \times b$.

1. **State the problem:** Simplify the expression $\frac{20}{2}$. 2. **Recall the division rule:** Dividing a number by another means finding how many times the divisor fits into t

1. The problem is to divide 20 by 2. 2. The division formula is $\frac{a}{b}$ where $a$ is the dividend and $b$ is the divisor.

1. **State the problem:** Calculate the result of the expression $27 - 32$. 2. **Recall the operation:** Subtraction means taking away the second number from the first.

1. Problem 12: Calculate $2000 - 1200$. Formula: Subtraction of two numbers.

1. The problem is to multiply 3,000 by 0.5000. 2. The multiplication formula is simply $a \times b = c$, where $a=3000$ and $b=0.5000$.

1. **Problem 6:** Divide 5,264 by 52 and write the quotient and remainder. 2. **Problem 7:** Divide 8,630 by 65 and write the quotient and remainder.

1. Problem: Divide 30 by 4 and find the remainder. Formula: When dividing $a$ by $b$, quotient $q = \lfloor \frac{a}{b} \rfloor$ and remainder $r = a - bq$.

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 and $c$ is their sum.

1. The problem is to estimate the number 1710. 2. Estimation involves rounding the number to a nearby value that is easier to work with.

1. **State the problem:** Calculate the value of $3000000 \div 100 \times 5$. 2. **Recall the order of operations:** Division and multiplication have the same precedence and are pe

1. **State the problem:** Calculate the value of $3000000 \div 100 \times 50$. 2. **Recall the order of operations:** Division and multiplication have the same precedence and are p

1. **State the problem:** Nike was given 1 whole cake plus \frac{1}{2} pieces of cake, and Mary was given 1 whole cake plus \frac{1}{3} pieces of cake. We need to find the total am

1. **Problem:** Racheal bought $\frac{2}{5}$ metre of ribbon and Latifat bought $\frac{3}{4}$ metre of ribbon. Find the total length of the ribbon they bought. 2. **Formula:** To a

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

1. **State the problem:** We have multiple subtraction problems and word problems involving subtraction and division. 2. **Subtraction problems:** To subtract two numbers, subtract

1. **State the problem:** Peter has 4 boxes of markers. Each box starts with 8 markers, and he adds 1 more marker to each box. We need to complete the strip diagram showing the tot