Warm Up – Mastermind

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Posted by Mrs Biggins | Posted in Games, Number, Place Value, Share Time | Posted on December 3, 2014

This is an activity you can use as a warm up or time filler if you have a spare 5-10 minutes.

You can also change this game to meet the different abilities of all students.

Lower levels can use 2-3 digit numbers right up to working with numbers in the hundred thousands if possible.

How to Play

Draw up a place value chart on the whiteboard with the number of columns you need depending on the number you are using.

The teacher writes down their secret number that the students need to work out. (eg. 5920)

Students then need to guess the number and can do this two ways.

Upper Years –  “Is the number 4629?”

You would then put an X against the numbers that are not in the number they are guessing, put a √ on the numbers that are in the number and are in the correct place and put a O against the numbers that are in the number but in the wrong place.

Th

H

T

O

  x

6   x

2  √

9  o

 

Lower years – “Is there a 5 in the tens column?”

You would then mark the number the same as above, put an X against the numbers that are not in the number they are guessing, put a √ on the numbers that are in the number and are in the correct place and put a O against the numbers that are in the number but in the wrong place. The students then keep guessing number by number.

Th

H

T

O

5 o

 

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