Extension Maths - Multiplying and dividing without a calculator.

Today you will be learning how to multiply and divide without a calculator! 

3 tasks today - 

Task 1 - Multiplication

The first video is just a reminder of how to do long multiplication with a single digit. 

The second video shows you how to do multiplication when both numbers have many digits.

Watch both videos then complete the practice multiplication sums from this link. You will need to copy these into your book. Remember to show all working. If you scroll down, the answers are on the next page.

video 1 = refresher

Video 2 = multiplying multiple numbers

Task 2 - Division

The first video is just a reminder of how to do long division with a single digit. 

The second video shows you how to do multiplication when both numbers have many digits.

Watch both videos then complete the  from this link. long division practise sheet. You will need to copy these into your book. Remember to show all working. If you scroll down, the answers are on the next page so you can mark and check if your are doing it right.

Dividing a multi-digit number by a single digit number

Dividing a multi digit number by a multi digit number (jump to 5:15 if you already understand the beginning.)

 

Task 3 - if you manage to finish your sheet go onto this website http://www.mathgoodies.com/lessons/vol5/challenge_vol5.html and solve these integer problems