Today’s SAT question of the day is a math question about number properties (evens and odds, in this case):
How do we make an odd into an even? Continue reading
Category Archives: Arithmetic
SAT Question of the Day Explained – July 30 2015 – Math, Number Concepts, Factors, Divisibility
Today’s SAT question of the day: All numbers divisible by both 4 and 15 are also divisible by which of the following?
Divisibility…what does it mean? Just that a number can be divided evenly (no remainder) by another number. For instance, 10 is evenly divisible by 5, but not by 7. Got it?
Good. Let’s tackle today’s divisibility questions.
SAT Question of the Day Explained – December 3, 2014 – Math
Today’s SAT Question of the Day is a math question about counting. These simplistic questions often contain more than meets the eye – and this one is testing your knowledge of a simple rule of counting.
On the last day of a one-week sale, customers numbered 149 through 201 were waited on. How many customers were waited on that day?
I bet most of you just subtracted 149 from 201, bubbled in 52, and moved on. But what if I told you that isn’t the answer? Continue reading
SAT Question of the Day Explained – March 23, 2014 – Math
Today’s SAT question of the day is a basic arithmetic question about a florist’s profit.
This florist buys roses for $0.50 each and sells them for $1 each. We need to figure out how many roses must be sold to make a profit of $300.
First, let’s figure out the profit per rose.
ACT Question of the Day Explained – February 11, 2014 – Math, Simplification of Radicals
Today’s ACT question of the day is a math question about simplifying radicals. There’s a lot more practice with radicals where that came from!
All we have to do is simplify √20. Start thinking of the factors of 20…now. Continue reading
ACT Question of the Day Explained – February 3, 2014 – Math, Division
Today’s ACT math question of the day is about dividing with remainders. The remainder, you may or may not recall, is the part “left over” when we divide one integer by another. For instance, if I divide 4 by 3, I get 1 with 1 left over, so my answer is 1 remainder 1 or 1R1.
One more practice round before we go on to the problem: 14/6 = ? Continue reading