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Negative Numbers Exercise Level 3

Use negative numbers in basic arithmetic and algebraic calculations.

Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | Level 6 |  Description of levels |  Help |  Other Negative Numbers Activities

This is level 3, Addition and Subtraction. You can earn a trophy if you get at least 9 correct.

2 + -9

            = Correct Wrong

-6 + -2

            = Correct Wrong

1 + -4

            = Correct Wrong

2 + -12

            = Correct Wrong

-8 + -4

            = Correct Wrong

-2 − -5

            = Correct Wrong

-10 − 5

            = Correct Wrong

0 − -1

            = Correct Wrong

-9 − -9

            = Correct Wrong

(-9) + (-2) − (-10)

            = Correct Wrong

(-4) + (-1) − (-7)

            = Correct Wrong

(-10) − (-11) + (-2)

            = Correct Wrong

This is Negative Numbers level 3.
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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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Three Ways

Can you get to the target number by multiplying together four different one digit numbers? Can you do it in three different ways? There are nine levels to this online challenge and a virtual Transum Trophy available for each level.

Answers

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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. The Go Maths page is an alphabetical list of free activities designed for students in Secondary/High school.

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Are you looking for something specific? An exercise to supplement the topic you are studying at school at the moment perhaps. Navigate using our Maths Map to find exercises, puzzles and Maths lesson starters grouped by topic.

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Description of Levels

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Level 1 - Simple subtraction

        Example: 5 - 12

Level 2 - Adding to a negative number

        Example: -7 + 9

Level 3 - Addition and Subtraction

        Example: -10 + -2

Level 4 - Multiplication

        Example: -3 x 2

Level 5 - Division

        Example: -10 รท 5

Level 6 - Substitution

        Example: If a=-3 and b=-7 evaluate 7a - 8b - 6

Video from Khan Academy

Don't wait until you have finished the exercise before you click on the 'Check' button. Click it often as you work through the questions to see if you are answering them correctly.

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