back":"Count in 6s.","points":1},{"id":"ba77e303-7100-4ba9-9907-dacb81c21483","cardType":"cloze","front":"Multiples of a number keep going [ ].","back":"Multiples of a number keep going forever.","points":null},{"id":"a798ae9f-3bbb-4d9b-95c6-e86c67c87a86","cardType":"basic","front":"Which multiple of 6 is between 25 and 35?","back":"30.","points":1},{"id":"63a8a8ac-ead8-4755-9095-d4833b663fe6","cardType":"basic","front":"How can you tell whether a whole number is even or odd?","back":"Check the last digit.","points":1},{"id":"93879d7e-851e-4940-8300-94ead68e5170","cardType":"basic","front":"What is the first even multiple of 7?","back":"14.","points":1},{"id":"895138fd-f65a-454a-94d6-5592d328f309","cardType":"cloze","front":"A factor divides into a number exactly, with [ ].","back":"A factor divides into a number exactly, with nothing left over.","points":null},{"id":"64a7cc6a-7b6a-4258-a08e-8c3b82a31483","cardType":"basic","front":"Why is 3 a factor of 18?","back":"$$18 \\div 3 = 6$ exactly.","points":2},{"id":"cefef40e-1c60-4fae-8a53-aeda9fbf60c1","cardType":"basic","front":"Which factor of 12 pairs with 2?","back":"6, because 2 × 6 = 12.","points":1},{"id":"4502c942-9556-48c7-99b3-34dcca34e0d9","cardType":"basic","front":"Which factor of 12 pairs with 3?","back":"4, because 3 × 4 = 12.","points":1},{"id":"56bf0d59-4004-40d0-a49e-8b360b4cd86c","cardType":"cloze","front":"For 12, 3 is a [ ], but 24 is a [ ].","back":"For 12, 3 is a factor, but 24 is a multiple.","points":null},{"id":"084d1789-e33f-4f26-8f05-349c72cb42eb","cardType":"cloze","front":"A prime number is bigger than 1 and has exactly [ ]: [ ].","back":"A prime number is bigger than 1 and has exactly two factors: 1 and itself.","points":null},{"id":"413dc290-307a-4cfd-8049-2ab852fd53a4","cardType":"basic","front":"Why is 1 not prime?","back":"It has only one factor.","points":2},{"id":"83862d79-894c-4504-a93f-39314d543b55","cardType":"basic","front":"What is the only even prime number?","back":"2.","points":1},{"id":"179a30ca-da0c-4c77-a36f-5100136af4f8","cardType":"basic","front":"Which prime numbers are between 30 and 40?","back":"31 and 37.","points":2},{"id":"88e400d7-fb58-4349-9109-0a2930e82210","cardType":"cloze","front":"A square number is made by multiplying a number by [ ].","back":"A square number is made by multiplying a number by itself.","points":null},{"id":"c6ef5eb4-19e5-4595-9706-59e2e80fe6d5","cardType":"basic","front":"From 18, 20, 22, 25, 28 and 30, which number is square?","back":"25.","points":1},{"id":"481adce2-e017-48ec-bfcb-089adf8ec1f0","cardType":"basic","front":"From 4, 11, 12, 15, 18, 25 and 29, choose a factor of 20.","back":"4.","points":1},{"id":"b753b504-3624-4108-9e2a-9b606e8b355a","cardType":"basic","front":"A number is odd, a factor of 30, and a multiple of 5. What are the two possible numbers?","back":"5 and 15.","points":2},{"id":"8971c095-bd83-4a7a-902a-72de0cf6ca50","cardType":"basic","front":"For an odd total made from two prime numbers, which prime should you try first?","back":"2.","points":1},{"id":"316a14c9-b8bd-43e3-970a-66cb3e1961ea","cardType":"basic","front":"Find two prime numbers with a sum of 21.","back":"2 and 19.","points":2}]}],"examCountdown":{"examDate":"2027-05-14","paperLabel":"Paper 1"},"formulaUrl":"https://assets.mathsgenie.co.uk/board-resources/gcse-maths/gcse-formu

Factors and Multiples Flashcards

Factors and Multiples Flashcards

Factors and Multiples Flashcards

Factors and Multiples Flashcards