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Unformatted text preview: 13 Feb 2012 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Created by Mr. Lafferty Maths Dept. Multiplying & Dividing by 10,100,1000 Multiplying by a Single Digit Whole Numbers Whole Numbers www.mathsrevision.com Rounding to nearest 10,100,1000 Estimating Answers Dividing by a Single Digit Multiplying & Dividing by 20, 300 etc.. MNU 202a MNU 203a 13 Feb 2012 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Created by Mr. Lafferty Maths Dept. Starter Questions Starter Questions www.mathsrevision.com 1. 3 5 .6 + 4 5 .5 2 . C a lc u la t e 2 5 % o f 10 0 0 3 . W h a t is t h e n a m e o f t h e s h a p e w ill t h is n e t m a k e . 4 . C a lc u la t e t h e v a lu e o f t h e m is s in g a n g le . 34 o MNU 202a MNU 203a 13 Feb 2012 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Learning Intention Learning Intention Success Criteria Success Criteria 1. 1. Understand the simple rules to multiply Understand the simple rules to multiply and divide simple whole numbers. and divide simple whole numbers. 1. To understand how to multiply and divide simple whole numbers by 10, 100, 1000. Whole Numbers Whole Numbers 2. 2. Be able do simple calculations. Be able do simple calculations. Multiply by 10, 100, 1000 MNU 202a MNU 203a 13 Feb 2012 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Whole Numbers Whole Numbers For this section you need to know your tables For this section you need to know your tables Multiply by 10, 100, 1000 To multiply by 10, 100, 1000 To multiply by 10 simply add a zero to the number Example : Multiply 36 by 10, 100, 1000. To multiply by 100 simply add 2 zero’s to the number To multiply by 1000 simply add 3 zero’s to the number Guess rule for 1000 36 x 1 = 36 x 1 00 = 36 x 1 000 = 36 36 00 36 000 MNU 202a MNU 203a 13 Feb 2012 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Whole Numbers Whole Numbers Multiply by 10, 100, 1000 Example : A box of crisps contain 48 packets. How many in 100 boxes ? 48 x 1 00 = 48 00 MNU 202a MNU 203a 13 Feb 2012 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Whole Numbers Whole Numbers Divide by 10, 100, 1000 To Divide by 10, 100, 1000 To divide by 10 remove a zero from the number Example : Divide 54000 by 10, 100, 1000....
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This note was uploaded on 02/13/2012 for the course MATH 116 200 taught by Professor Janet during the Spring '11 term at University of Phoenix.
 Spring '11
 janet

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