PPT-We drew bars to help us find percentage decreases without a calculator:

A washing machine normally costs 320 How much does it cost in the sale if there is a 12 reduction 100 0 320 0 What percentage is left when 12 is removed 88 88 Using a calculator to find percentage decrease. GCSE Maths Starter 4. Solve: 3x – 7 = 17. What is 26 x . 13. What is 5/6 of 36. What is the probability of . getting . a . green counter out . of this bag. ?. Find a percentage of a quantity in order . Number Revision. Dr J Frost (jfrost@tiffin.kingston.sch.uk) . Last modified: 1. st. February 2013. RECAP. : Negative Numbers. 4 × -3 = -12. -2 × -3 = 6. -10 ÷ 2 = -5. (-5). 2. = 25. -3 + 7 = 4. -3 – 8 = -11. Q1. Anne has €3, her mother pays her €4 for tidying the bedroom. Her dad says he will . double everything . she saves. If she saves her total money how much will Anne have?. Q2. . Cammie. went to town one day and had €18. He spent €4 on lunch and then bought two . BBS Whole School Policy . Whenever possible pupils should be encouraged to complete calculations without a calculator. . It is true that in ‘real life’ they will have less need to complete mental calculations, but they do need to develop a concept of number and percentage that they simply won’t get from typing numbers into a calculator. . You will be able to predict values based on a regression line.. You will be able to communicate the risk in extrapolation.. You will be able to define and find a residual.. . Today’s Objectives:. Warm Up. – Donald Trump - . Chemistry Unit 3!. Class 2 . More Calculations:. The true meaning of the ‘mole’…. . Avogadro’s number. Anything with 6.022 x 10. 23. units = 1 mol. Ie. / 1 mole of peas = 6.022 x 10. Q1. Anne has €3, her mother pays her €4 for tidying the bedroom. Her dad says he will . double everything . she saves. If she saves her total money how much will Anne have?. Q2. . Cammie. went to town one day and had €18. He spent €4 on lunch and then bought two . : Use of Casio Calculators. BIMDAS. CURSOR KEYS. MODE. SETUP. MEMORIES. GENERAL FUNCTIONS. SEXIGESIMAL. PRIME FACTORS. CLEAR MEMORY. RANDOM. POLAR . RECTANGULAR. STATISTICS MODE. TABLE MODE. VERIFY MODE. To change a percentage into a . decimal . you divide by 100. 67% ÷ 100 = 0.67. 13% . ÷ 100 = 0.13. 7% ÷ 100 = 0.07. Percentage . Increase. To find a percentage increase you add the percentage to the original amount . 1. Chapter 5. Fundamental Concepts in Video. 5.1 . Analog Video. 5.2 Digital Video. 5.3 Video Display Interfaces. 5.4 3D Video and TV. 5.1 . Analog Video. An . analog signal . f. (. t. ) samples a time-varying image. .  . Dr J Frost (jfrost@tiffin.kingston.sch.uk). www.drfrostmaths.com. . Last modified: . 30. th. August 2015. . For details on statistical calculations, matrices, solving polynomials/simultaneous equations and complex numbers, press the ‘Mode’ button.. In a day and age where people have busier lifestyles, where obesity is becoming a trend, and homes becoming smaller – manufacturers have created an empire surrounding quick and easy meals, snacks, and even drinks. More people prefer instant gratification, which led to wanting things done in an instant – instant messaging, instant coffee, instant noodles, and even instant meals! ARGET FORFET. SHIN. E. A. T. SUM. ENP. NICELP. OKBO. URREL. BURREB. Anagrams. What do I need to bring to every . maths. lesson?. PEN. PENCIL. BOOK. RULER. RUBBER. CALCULATOR. PROTRACTOR. COMPASS. GREAT EFFORT.