Mean, Median, Mode and Range
Hopper the frog jumps 3, 7, 5, 7 and 8 metres. Find the mean (add and share), the median (order then find the middle), the mode (most common) and the range (biggest minus smallest). Then find the mean and median of 2, 9, 4, 9 and 6.
Watch next
1:42Reading Bar Charts and Scales
Shelly the turtle’s bar chart shows the shells she found each day. Learn to read the scale (each line is worth 2, so bars between lines are odd numbers), find how many more shells were found on Tuesday than Wednesday (9 − 4 = 5), then find the total yourself.
1:49Place Value to Millions
Leo the lion counts 3,452,618 visitors to the savanna. Learn what each digit is worth using a place value chart, how to read millions out loud, and how commas help. Then find the value of the 7 in 2,071,345.
2:01Rounding to the Nearest 10, 100 and 1,000
Hopper the frog rounds 3,472 to the nearest hundred on a number line. Learn the "5 or more, round up" rule, what happens with halfway numbers, and then round 6,238 to the nearest thousand yourself.