Other tags that relate to Time to Evolve
Maths Supporting SET. Length/distance. STEM - living world. STEM - physical world. Selecting and using information. Addition & subtraction. Biology. Visualising. Physics. Estimating and approximating. Working systematically.There are 29 results
Broad Topics > Calculations and Numerical Methods > Estimating and approximating
Time to Evolve
Age 14 to 16 Challenge Level:
How many generations would link an evolutionist to a very distant ancestor?
Does This Sound about Right?
Age 11 to 14 Challenge Level:
Examine these estimates. Do they sound about right?
Biology Measurement Challenge
Age 14 to 16 Challenge Level:
Analyse these beautiful biological images and attempt to rank them in size order.
A Question of Scale
Age 14 to 16 Challenge Level:
Use your skill and knowledge to place various scientific lengths in order of size. Can you judge the length of objects with sizes ranging from 1 Angstrom to 1 million km with no wrong attempts?
Big and Small Numbers in Biology
Age 14 to 16 Challenge Level:
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Speed-time Problems at the Olympics
Age 14 to 16 Challenge Level:
Have you ever wondered what it would be like to race against Usain Bolt?
Big and Small Numbers in Physics
Age 14 to 16 Challenge Level:
Work out the numerical values for these physical quantities.
Big and Small Numbers in Chemistry
Age 14 to 16 Challenge Level:
Get some practice using big and small numbers in chemistry.
Counting Sweets
Age 7 to 14 Challenge Level:
How might you use mathematics to improve your chances of guessing the number of sweets in a jar?
Approximately Certain
Age 14 to 18 Challenge Level:
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Olympic Measures
Age 11 to 14 Challenge Level:
These Olympic quantities have been jumbled up! Can you put them back together again?
Where Am I?
Age 11 to 16 Challenge Level:
From the information you are asked to work out where the picture was taken. Is there too much information? How accurate can your answer be?
A Jar of Teddies
Age 7 to 14 Challenge Level:
How many teddies are in the jar? How many teddies could you fit in your classroom?
Place Your Orders
Age 11 to 14 Challenge Level:
Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
All in a Jumble
Age 11 to 14 Challenge Level:
My measurements have got all jumbled up! Swap them around and see if you can find a combination where every measurement is valid.
Back Fitter
Age 14 to 18 Challenge Level:
10 graphs of experimental data are given. Can you use a spreadsheet to find algebraic graphs which match them closely, and thus discover the formulae most likely to govern the underlying processes?
The Fastest Cyclist
Age 14 to 16 Challenge Level:
Andy is desperate to reach John o'Groats first. Can you devise a winning race plan?
Squaring the Circle
Age 11 to 14 Challenge Level:
Bluey-green, white and transparent squares with a few odd bits of shapes around the perimeter. But, how many squares are there of each type in the complete circle? Study the picture and make. . . .
Almost One
Age 11 to 14 Challenge Level:
Choose some fractions and add them together. Can you get close to 1?
Whole Numbers Only
Age 11 to 14 Short Challenge Level:
Can you work out how many of each kind of pencil this student bought?
Countdown
Age 7 to 14 Challenge Level:
Here is a chance to play a version of the classic Countdown Game.
Ladder and Cube
Age 14 to 16 Challenge Level:
A 1 metre cube has one face on the ground and one face against a wall. A 4 metre ladder leans against the wall and just touches the cube. How high is the top of the ladder above the ground?
Dicey Operations
Age 11 to 14 Challenge Level:
Who said that adding, subtracting, multiplying and dividing couldn't be fun?
Nice or Nasty
Age 7 to 14 Challenge Level:
There are nasty versions of this dice game but we'll start with the nice ones...
Power Countdown
Age 14 to 16 Challenge Level:
In this twist on the well-known Countdown numbers game, use your knowledge of Powers and Roots to make a target.
Can You Make 100?
Age 11 to 14 Challenge Level:
How many ways can you find to put in operation signs (+ - x รท) to make 100?
Nice or Nasty for Two
Age 7 to 14 Challenge Level:
Some Games That May Be Nice or Nasty for an adult and child. Use your knowledge of place value to beat your opponent.
NRICH is part of the family of activities in the Millennium Mathematics Project.