7. ANSWERS

9. Dividing Difficult Large Numbers 31) 1719 31 will not go into 1 31 will not go into 17 31 will go into 171

10. Dividing Difficult Large Numbers 31) 1719 To figure what your first number will be cover the 1 in 31 & the 1 in 171.

11. Dividing Difficult Large Numbers 31) 1719 Now ask how many 3’s will go into 17.

12. Dividing Difficult Large Numbers 31) 1719 Be sure to put that number directly above the 1 not the 7. 5

13. Dividing Difficult Large Numbers 31) 1719 Now multiply the 5 x 31 and place it under the 171. 5

14. Dividing Difficult Large Numbers 31) 1719 31 x5 5 155 169

15. Dividing Difficult Large Numbers 31) 1719 5 155 169 Now cover up the 1 in 31 & the 9 in 169

16. Dividing Difficult Large Numbers 31) 1719 5 155 169 Ask how many 3’s will go into 16.

17. Dividing Difficult Large Numbers 31) 1719 5 155 169 Place that number next to the 5 in your quotient. 5

18. Dividing Difficult Large Numbers 31) 1719 5 155 169 Now multiply 31 x 5. 5

19. Dividing Difficult Large Numbers 31) 1719 5 155 169 5 155 14 Subtract & your answer is 55 R14

20. Dividing Difficult Large Numbers 31) 1719 5 155 1699 31 X 5 5 155 155

21. Check It Using the Inverse of Division: 31 Multiply the divisor by the quotient. X 55 155 +1550 1705 + 14 Add Remainder to the product 1719 Your answer should math the original dividend

22. Multiplying and Dividing by powers of ten MEAP REVIEW

23. 574823 What are the PLACE VALUES of the digits in this number?

24. 574823 So that means 500 + 30 + 7 + + +

25. 574823 The decimal point just separates the whole numbers from the decimal fractions

26. 574823 What happens when I multiply this number by 10 ?

27. 574823 Each digits value will become 10 times bigger so the digits move LEFT into the next column

28. 537.482 x 10 = 5374.82 Multiplying by 10 It LOOKS like the decimal point moves one place to the right. (and that is how many teachers ask you to think of it)

29. Multiplying by 10 Moving the digits one place to the LEFT looks the same as moving the decimal point one place to the RIGHT. 574823 574823

30. More Multiplying and Dividing Digits Move( LOOKS LIKE ) Decimal Point Moves x10One place to LEFTOne place to RIGHT x100Two places to LEFTTwo places to RIGHT ÷ 10One place to RIGHTOne place to LEFT ÷ 100Two places to RIGHTTwo places to LEFT

31. Thanks for watching. I hope I haven’t LEFT you confused but I thought we should get this RIGHT To practice multiplying and dividing by multiples of ten, click on this website: http://www.bbc.co.uk/skillswi se/numbers/wholenumbers/ multiplication/multiply10and1 00/quiz.shtml http://www.bbc.co.uk/skillswi se/numbers/wholenumbers/ multiplication/multiply10and1 00/quiz.shtml

32. Get ready to boost these BAMZOOKI Zooks against the clock. Game on! Bamzooki Multiplying and Dividing Quiz following the Investigation

33. Then…. You’ll need all your mental maths skills to escape with the bio-rods in this exciting Mission 2110 game. Alien Game Homework TIME Multiplication and Division Practice Handout