Multiplication
What is 6 x 12?
72
56/8=
7
Josie has a square piece of paper that she is using for origami. She needs to fold it in half. How many ways can she do this/ how many lines of symmetry does a square have?
4
What is the perimeter of a decagon with side lengths of 8?
80 square units (8x10=80)
What is 24 x 15?
360
88/8=
11
If a single six-sided die is rolled, what is the probability in percent that the number showing is less than four?
Less than four would be1, 2 or 3. 3/6=50%
What is the positive difference between the mean and the median of the following data set?
{3, 4, 6, 14, 2, 13}
Sort: {2, 3, 4, 6, 13, 14}
Sum = 42
Mean = 42/6 = 7
Median = (4 + 6)/2 = 5 Mean – Median = 7 – 5 = 2
What is the area of a rectangle that has the dimensions of 15 and 35?
525 sqaure units
What is the quotient of 64 and 4?
64/4 = 16
A bag has red and green marbles. The ratio of red to green is three to eight. If there are thirty-three red marbles, how many green marbles are there?
Red: 3x11 = 33
Green: 8x11 = 88
What number is halfway between 1200 and 1300?
1250 because they are 100 apart so 50 is in the middle.
Solve: 37 x 28
1,036
Evaluate the following expression: five times five times five divided by one hundred twenty-five.
5x5x5/125 = 1
While organizing her Pokémon cards, Olivia put 3 cards in the first pile, 5 cards in the second pile, 9 cards in the third pile, and 15 cards in the fourth pile. If this pattern continues, how many cards will Olivia put in the fifth pile?
Pattern is: +2, +4, +6, ... 15+8 = 23
What is four hundred and forty-two dollars rounded to the nearest hundred dollars?
$442 rounds to $400.
Determine the product of 49 and 76.
3,724
A single sugar cube weighs 1.6 grams. How much do one thousand of the sugar cubes weigh, in kilograms?
1.6 x 1000 = 1,600 g.
Divide by 1000 to get 1.6 kg.
A grandfather clock chimes once at one o’clock, twice at two o’clock, three times at three o’clock, and so on through twelve o’clock. How many total times does it chime in a twelve hour period from one o’clock to twelve o’clock inclusive?
Sum of 1 to 12 = (12)(13)/2 = 78
What is the sum of the distinct positive factors of 36?
1+2+3+4+6+9+12+18+36 = 91