KS2 Primary Maths Age 9-13 - Indices: - Explained

The video tutorial explains how to solve the equation 3 * 2^M = 48 by isolating 2^M and dividing 48 by 3 to get 16. It then explores powers of two to find that 2^4 equals 16, concluding that M equals 4. The tutorial emphasizes understanding the problem and methodically working through the solution.

What is the first step in solving the equation 48 = 3 * 2^M?

• Divide both sides by 3

• Add 3 to both sides

• Multiply both sides by 3

• Subtract 3 from both sides

After dividing 48 by 3, what is the resulting value that 2^M equals?

• 16

• 18

• 14

• 12

Which of the following is equal to 2^4?

• 8

• 12

• 16

• 14

What is the value of M in the equation 48 = 3 * 2^M?

• 2

• 4

• 5

• 3

What advice does the teacher give for solving similar problems?

• Memorize all powers of two

• Use a calculator for all calculations

• Skip difficult questions

• Think clearly and organize the given information