tailieunhanh - Math_Flashcards

Tài liệu tham khảo môn toán bằng tiếng anh | Arithmetic Integer Which of the following is an integer - - .1 12 3 n An integer is a multiple of 1. Integers include negative whole numbers and zero. Mathcards 11711 3 Arithmetic Consecutive numbers What is the next number in the following sequence 39 42 45 48 . Consecutive numbers are numbers of a certain type presented in order without skipping any. The numbers 39 42 45 and 48 are consecutive multiples of 3. Each number in the sequence is 3 more than the previous number. The next number would be 48 3 51. Mathcards inyi 51 Arithmetic PEMDAS 9 - 2 X 5 - 3 2 6 X 3 Mathcards Factors List all the factors of 18. When performing multiple operations remember PEMDAS which means Parentheses first then Exponents then Multiplication Division left to right and lastly Addition Subtraction left to right . In the expression 9 - 2 x 5 - 3 2 6 3 begin with the parentheses 5 - 3 2. Then do the exponent 22 4. Now the expression is 9 - 2 x 4 6 3. Next do the multiplication and division to get 9 - 8 2 which equals 3. inti 3 Arithmetic The factors of integer n are the positive integers that divide into n with no remainder. The multiples of n are the integers that n divides into with no remainder. 3 is a multiple of 6 and 6 is a multiple of 18. All the factors of 18 are listed below. 1 2 3 6 9 and 18 Mathcards inti Arithmetic Digit How many distinct digits are in the number 321 321 000 Digits are the integers 0 through 9. Integers greater than 9 have more than one digit. The number 321 321 000 has 9 digits but only 4 distinct different digits 3 2 1 and 0. Mathcards 4 Arithmetic Counting consecutive integers How many integers are there from 13 through 31 inclusive To count consecutive integers subtract the smallest from the largest and add 1. To count the integers from 13 through 31 subtract 31 - 13 18. Then add 1 18 1 19. Mathcards 19 Arithmetic Sum difference product What is the positive difference between the sum of 4 and 5 and the product of 4 and 5 The sum is the result of .