Mathematics Flashcards

Front

Write the number two million eight hundred and forty thousand three hundred and twenty-seven in figures.

Back

2,840,327

Front

Write down a common multiple of 18 and 24.

Back

72

Front

A train to town A leaves a station every 25 minutes.

A train to town B leaves the same station every 45 minutes. Both trains leave at 08 00. Find the next time both trains leave together.

Back

11 45

Front

Find a factor of 63 between 5 and 10.

Back

7 or 9

Front

Find a multiple of 3 between 70 and 80.

Back

72 or 75 or 78

Front

Find a cube number between 60 and 90.

Back

64

Front

Find the reciprocal of 7.

Back

1/7

Front

Write down an irrational number with a value between 10 and 20.

Back

√2 + 10

Front

Find the lowest common multiple (LCM) of 24 and 28.

Back

168

Front

61 62 63 64 65 66 67 68 69

From the list of numbers, write down

(a) a square number

(b) a multiple of 13,

(c) a factor of 186,

(d) the prime numbers.

Back

(a) 64

(b) 65

(c) 62

(d) 61 or 67