Place Value, Integers, Ordering & Rounding
Nice or Nasty
There are nasty versions of this dice game but we'll start with the nice ones...
Dicey Operations
Who said that adding, subtracting, multiplying and dividing couldn't be fun?
Place Your Orders
Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
Add to 200
By selecting digits for an addition grid, what targets can you make?
Forwards Add Backwards
What happens when you add a three digit number to its reverse?
Farey Sequences
There are lots of ideas to explore in these sequences of ordered fractions.
Legs Eleven
Take any four digit number. Move the first digit to the end and move the rest along. Now add your two numbers. Did you get a multiple of 11?
How Many Miles to Go?
How many more miles must the car travel before the numbers on the milometer and the trip meter contain the same digits in the same order?
Difference Sudoku
Use the differences to find the solution to this Sudoku.
Number Lines in Disguise
Some of the numbers have fallen off Becky's number line. Can you figure out what they were?
Place Value, Integers, Ordering and Rounding - Short Problems
A collection of short problems on place value, integers, ordering and rounding.
Subtraction Surprise
Try out some calculations. Are you surprised by the results?
More Less Is MoreLive
In each of these games, you will need a little bit of luck, and your knowledge of place value to develop a winning strategy.
You may also be interested in this collection of activities from the STEM Learning website, that complement the NRICH activities above.