Decimal Decathalon
Which is larger: 0.4 or 0.39?
0.4
What is the range of this data set: 2, 5, 8, 12?
10
How many sides does a Heptagon have?
7
What is the product of 12 and 12?
144
What is the next number in this pattern: 2, 4, 8, 16...?
32
Multiply
0.5 xx 0.8
0.4
Find the mean (average) of 10, 20, and 30
20
What do you call a triangle where all three sides are the same length?
Estimate 492 times 21 by rounding to the nearest hundred and ten.
10,000
If a "Glip" is 3 "Glops," and a "Glop" is 5 "Glipsies," how many "Glipsies" are in 2 "Glips"?
30
What is
3.6 div 6?
0.6
If you flip a coin and roll a six-sided die, how many total possible outcomes are there?
12
How many lines of symmetry does a square have?
4
What is the square root of 81?
9
Find the rule and the next number: 1, 3, 7, 15...?
31
Order from least to greatest: 0.09, 0.1, 0.089.
0.089, 0.09, 0.1
In the set {4, 9, 4, 12, 6}, what is the median?
6
Find the area of a square if its perimeter is 24 inches.
36 in2
What is
1000 div 8?
125
I am a number. If you multiply me by 3 and subtract 10, you get 20. What am I?
10
Write 4.25 as a simplified mixed number.
4 1/4
A bag has 3 red marbles and 7 blue. What is the probability (as a fraction) of picking a red one?
3/10
What does the total degrees of the three angles in a triangle add up to?
180 degrees
What is the sum of the first five square numbers?
55
Fibonacci sequence: 1, 1, 2, 3, 5, 8... what are the next two numbers?
13 and 21