Math Class 6 - Numbers - Grouping , Subtraction & Multiplication

 Math Class 6 -  Numbers - Grouping , Subtraction & Multiplication

1. Find the value of
$1542$$\times$$125$$-$$1542$$\times$$25$
2. Calculate
$2643$$\times$$410$$-$$2643$$\times$$10$
3. What is the result of
$1897$$\times$$300$$-$$1897$$\times$$50$$1897\times 300-1897\times 50$?
4. Determine the value of
$3421$$\times$$150$$-$$3421$$\times$$50$
5. Evaluate
$4789$$\times$$220$$-$$4789$$\times$$20$

These problems involve factoring out a common number and performing basic multiplication and subtraction, which helps reinforce understanding of these operations.