1. Find the sum of $4.3$ and $2.7$. 2. Subtract $1.5$ from $5.8$. 3. Multiply $3.2$ by $2$. 4. Divide $6.4$ by $4$. 5. If you have $3.5$ meters of rope and you cut off $1.9$ meters, how much rope is left? These problems help practice addition, subtraction, multiplication, and division with decimals. Let's solve the first one as an example: 1. Add $4.3$ and $2.7$. Step 1: Align the decimals. Step 2: Add the numbers: $4.3 + 2.7 = 7.0$. Final answer: $7.0$