Flashcards
number
Cards in this deck (25)
- 1what is an intergera positive or negative whole number
- 2which of these numbers are irrational? √2, √4, √3, √16√2, √3
- 3what does BODMAS stand forbrackets
other
division
multiplication
addition
subtraction - 4what are the prime factors of 56?2³, 7
- 5what are factors and multiples?factors are numbers that divide into it, multiples of a number are its times tables
- 6how do you find the LCM of a number using its prime factorslist all the prime factors that appear in either number, if it appears more than once in one of the numbers, list it that many times. then multiply them together
- 7what is the LCM of 18 and 302 x 3 x 3 x 5 = 90
- 8how do you find the HCF of two numbers using the prime factors?list all the prime factors that appear in both numbers. multiply these together to find it
- 9find the HCF of 180 and 842 x 2 x 3 = 12
- 10simplify 18/243/4
- 11what is 8/15 x 5/1240/180 = 4/18 = 2/9
- 12what is 2/3 / 1/24/3
- 13what is 4/5 + 2/322/15
- 14what is 2/3 - 1/21/6
- 15write 0.2*34* as a fraction (*= recurring thing)234/999 = 26/111
- 16write 0.16* as a fraction15/90 = 1/6
- 17write 8/33 as a recurring decimal0.2*4*
- 18write 24075 in 2sf24000
- 19estimate 126.9 + 42.3 / 58.2 x 3.1130 + 40 / 60 x 3 = 170 / 180 ≈ 1
- 20write 0.0347 in standard form3.47 x 10²
- 21what are the bounds of a length measured 7cm to the nearest 1cm6.5, 7.5
- 22what is 3x10² + 4x10²7x10²
- 23what is 3x10² x 4x10²1.2x10⁵
- 24what is 3x10² / 4x10²7.5 x 10-¹
- 25what is 3x10² - 4x10²1x10²
Information
- Description
- GCSE Maths (Number) Flashcards on number, created by lizabeth rawson on 01/03/2020.
- Created by
- lizabeth rawson · Mar 2020
- Updated
- Mar 1, 2020
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