KS2 Primary Maths Age 13-17 - Calculations: Multiplying and Dividing with Decimals - Explained

The video tutorial explains how to multiply 354 by 95 and adjust the decimal point for 354 * 9.5. It covers handling extra zeros in multiplication, rearranging and dividing numbers, and using estimation and rounding for calculations. The tutorial emphasizes the importance of showing work to earn full marks.

What is the result of multiplying 354 by 95?

• 33,630

• 3,630

• 336,300

• 3,363

When multiplying 3540 by 95, what adjustment must be made to the final answer?

• Multiply by 10

• Divide by 10

• Subtract 100

• Add 100

What is the result of dividing 33,630 by 95?

• 354

• 35.4

• 336.3

• 3,630

How do you adjust the division of 3363 by 95 to get the correct answer?

• Divide by 10

• Add 10

• Subtract 10

• Multiply by 10

If 95 is approximated to 100, what is the estimated result of dividing 3000 by 100?

• 30

• 300

• 0.3

• 3