# There are 366 different Starters of The Day, many to choose from. You will find below some starters on the topic of Probability. A lesson starter does not have to be on the same topic as the main part of the lesson or the topic of the previous lesson. It is often very useful to revise or explore other concepts by using a starter based on a totally different area of Mathematics.

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### Probability Starters: How many different ways can four people stand in line? What is the probability of picking a red sheep from the sheep in the field? How many different ice cream cones can be made by choosing two scoops from six flavours? The pot contains 10 counters which are being randomly removed and replaced. How many of each colour do you think are in the pot? In how many different ways might Tran decide to wear his hats in one week?

## Exercises #### Dice and Spinners

Computer generated random numbers for games and probability experiments #### Dice Bingo

Choose your own numbers for your bingo card. The caller uses two dice and adds the numbers together. #### Dice Investigation

Throw two dice and multiply the scores. Investigate the different products you can obtain. What about adding? What about using three dice? #### Egg Box Investigation

In how many different ways can two eggs be arranged in an egg box? #### Frequency Trees

Use a frequency tree to show two or more events and the number of times they occurred. #### Great Expectation

An interactive online activity requiring logical thinking and a certain amount of luck to place the digits on the correct side of the inequality sign. #### Greater Than

The teacher has a set of six cards numbered 1 to 6. They are placed face down on the teachers desk so that the teacher can pick up one at random which students then have to fit onto a grid. #### Hi-Low Predictions

A version of the Play Your Cards Right TV show. Calculate the probabilities of cards being higher or lower. #### House Painting

The houses in Mathsland are all three storeys tall. Each storey is painted using one colour. How many ways can the houses be painted? #### Likelihood

Arrange some statements in order according to the probability of them happening. Compare your opinion with thousands of others. #### Normal Distribution Calculator

A customised online calculator for quickly finding areas under the normal distribution curve. #### Pascal's Triangle

Get to know this famous number pattern with some revealing learning activities #### Pin Drop

Estimate the probability of a drawing pin landing point up from experimental data. A simulation of a Quincunx (Galton Board) which can be used to create the bell shaped curve of the normal distribution. #### Predictive Survey

An eight question survey collecting data for an amazing probability experiment. #### Probability

Basic probability questions in an online exercise. #### Probability Formulae

Show that you know which formula (as given in the IB Formula Booklet) to use for each probability question. A drag and drop challenge. #### Probability Washing Line

Hang out the washing on the line so that the probability words on the t-shirts are in order. #### Probability Words

A visual aid to highlight the vocabulary of probability and to debate the relationship between the given words. #### Remainder Race

A game involving chance and choice requiring an ability to calculate the remainder when a two digit number is divided by a single digit number. #### Significance

A slide presentation showing how to use the chi-squared test to measure significance. #### Skunk

A game for the whole Maths class to play involving chance and choice. #### Snail Race

Twelve snails have a race based on the sum of two dice. This is the teachers' version of the race simulation. #### Superior

A game for two players who compete to make the largest possible number from randomly selected cards. #### t-Test Revision

A slide presentation designed to revise the key aspects of Student's t-Test. #### The Maths of Gambling

Gambling is never a good idea and this activity might help you understand the mathematics involved. #### Traffic Jams

How many ways can three cars be lined up in a traffic jam? #### Tree Diagrams

Calculate the probability of independent and dependent combined events using tree diagrams. #### Two Dice Possibility Space

An interactive visual aid showing the possibility space obtained when throwing two dice

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