SBTN

Substitution (Level 1)

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Here are some mathematical expressions.
Can you evaluate them if s = 3, b = 5, t = 7 and n = 8

ExpressionWorkingAnswer
t + 2
s + b
b + n
t - s
t + b + s
t + n - 1
20 - b
n + 17 - b
50 - s - b - t
n - b + t - s + 7

 

Instructions

Try your best to answer the questions above. Type your answers into the boxes provided leaving no spaces. As you work through the exercise regularly click the "check" button. If you have any wrong answers, do your best to do corrections but if there is anything you don't understand, please ask your teacher for help.

When you have got all of the questions correct you may want to print out this page and paste it into your exercise book. If you keep your work in an ePortfolio you could take a screen shot of your answers and paste that into your Maths file.

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Comment recorded on the 1 February 'Starter of the Day' page by M Chant, Chase Lane School Harwich:

"My year five children look forward to their daily challenge and enjoy the problems as much as I do. A great resource - thanks a million."

Comment recorded on the 14 September 'Starter of the Day' page by Trish Bailey, Kingstone School:

"This is a great memory aid which could be used for formulae or key facts etc - in any subject area. The PICTURE is such an aid to remembering where each number or group of numbers is - my pupils love it!
Thanks"

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Number Crunch Saga

Number Crunch Saga

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Go Maths

Learning and understanding Mathematics, at every level, requires learner engagement. Mathematics is not a spectator sport. Sometimes traditional teaching fails to actively involve students. One way to address the problem is through the use of interactive activities and this web site provides many of those. Click here for more activities designed for students in upper Secondary/High school.

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Description of Levels

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Level 1 - Simple addition - positive integers

Level 2 - Addition and multiplication - positive integers

Level 3 - Squaring - positive integers

Level 4 - Brackets - positive integers

Level 5 - Mixed expressions - positive integers

Level 6 - Simple addition - negative integers

Level 7 - Addition and multiplication - negative integers

Level 8 - Squaring - negative integers

Level 9 - Brackets - negative integers

Level 10 - Mixed expressions - negative integers

Level 11 - Simple addition - positive and negative decimals

Level 12 - Addition and multiplication - positive and negative decimals

Level 13 - Squaring - positive and negative decimals

Level 14 - Brackets - positive and negative decimals

Level 15 - Mixed expressions - positive and negative decimals

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