Arithmetic
257.12+356.53
613.65
List all factors of six.
1,2,3,6
51/3
17
3(9+5)-13
29
Amanda can bike six miles in thirty minutes. How many miles can she bike in an hour?
Twelve miles.
90.22+33.456
123.676
List the first seven multiples of four.
4,8,12,16,20,24,28
13/12
1.08
5*8+(5-2)6
258
There are thirteen giraffes at the zoo, five of the giraffes escape and two of the giraffes that didn’t leave are pregnant with triplets. How many giraffes does the zoo have?
14 giraffes.
36*12
432
List the first five multiples of twelve.
12,24,36,48,60,
42/12
3.5
3*9+(5-2)10-6
51
Twelve people have four towels each, two of the people got two of their towels stolen each. How many towels do the twelve people have?
44 towels
64*12
768
List all factors of forty-two.
1,2,3,6,7,14,21,42
330/20
16.5
Add parentheses to make it true: 2+5*13-10+12=93
(2+5)*13-10+12
John has thirteen apples cut into six slices and has to share them with eight family members (plus himself). How many slices does each family member get? Round down if needed.
8 slices.
325*214
70,550
List the first ten multiples of thirteen.
13,26,39,52,65,78,91,104,117,130
Melissa has a 75% off coupon for “generic clothing store” she wants to buy pants that, for absolutely no reason, are 120. With the coupon, how much would the pants cost?
$30