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Integer Operations Finding a temperature Higher or Lower 5 Examples Adding / Subtracting Integers using a scale Adding / Subtracting Integers by description.

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Presentation on theme: "Integer Operations Finding a temperature Higher or Lower 5 Examples Adding / Subtracting Integers using a scale Adding / Subtracting Integers by description."— Presentation transcript:

1 Integer Operations Finding a temperature Higher or Lower 5 Examples Adding / Subtracting Integers using a scale Adding / Subtracting Integers by description Adding / Subtracting Practice. Enter your own numbers Adding / Subtracting Twelve Examples Multiplying Integers Dividing Integers

2 Higher / Lower 01234 56789 C. ÷x 0 + On ² - Ans = √ (-) 12 10 8 4 2 0 -2 -4 -6 -8 -10 -12 6 -10 2 - = Clear 102 updown up/ down Scale Hide Lower no1 no2 - + -10 2 2 degrees Lower than -10° C ° C Click for new example

3 Higher / Lower 01234 56789 C. ÷x 0 + On ² - Ans = √ (-) 12 10 8 4 2 0 -2 -4 -6 -8 -10 -12 6 -6 1 - = 6 1 up down ScaleHide Lower no2 + -6 1 3 degrees Lower than -7° C -10 ° C 7 degrees Higher than -9° C ° C 1 degrees Lower than -6° C ° C 5 degrees Higher than -5° C ° C 1 degrees Lower than -11° C ° C 1 degrees Lower than -6° C ° C a b c d e c no1 -

4 Integer Add / Sub 01234 56789 C. ÷x 0 + On ² - Ans = √ (-) 12 10 8 4 2 0 -2 -4 -6 -8 -10 -12 6 -15 -20 - 5 = down up Clear 1520 updown up/ down up5 Scale Hide Subtraction no1 no2 - - -15 - 20 -15 - (-20)

5 Integer Sums Write down the description for the 1 st number…… eg 4 up or 7 down Addition + Description for 2 nd number written as for the 1st 5 + 7 ….5 up then 7 up 5 + (-3)….5 up then 3 down Subtraction - Description for 2 nd number is reversed 5 - 7 ….5 up then 7down 5 - (-3)….5 up then 3 up 10 - (-15) 01234 56789 C. ÷x 0 + On ² - Ans = √ (-) = then 10 up 15 up 25 up Subtraction up down 25 up 10 -15 eg = no1 no2 + -

6 -12 -10 -8 -4 -2 0 2 4 6 8 10 12 -6 Addition Subtraction Practice 01234 56789 C. ÷x 0 + ² - Ans = √ (-) 12 10 8 4 2 0 -2 -4 -6 -8 -10 -12 6 ScaleHide +/- 1 5 Subtraction no1 no2 + 1 - 5 -4 = then = up down -

7 -6 Addition Subtraction Practice 01234 56789 C. ÷x 0 + ² - Ans = √ (-) 12 10 8 4 2 0 -2 -4 -6 -8 -10 -12 6 up down ScaleHide - -6 -4 (b)-11 + 8 = (a)-3 + ( -8 ) = (d)-2 + ( -2 ) = (c)-4 + ( -8 ) = (f)-5 + ( -5 ) = (e)-9 + 2 = (h)-8 + ( -2 ) = (g)-7 + ( -3 ) = (j)-10 + ( -2 ) = (i)-12 + 2 = (l)-1 + ( -8 ) = (k)-6 + ( -4 ) = Subtraction no1 no2 - 6 down -6 + ( -4 ) = then= + Enter answer or click box More

8 Integer Multiplication Two parts of the answer …… whether it is + or - …… the value 01234 56789 C. ÷x 0 + On ² - Ans = √ (-) Different Same 10 -15 no1 no2 - - Signs same 3 x 4 = 12 -5 x ( -6 ) = 30 -9 x ( -3 ) = 27 8 x 7 = 56 Answer +ve Signs Diff 3 x ( -4 )= -12 -5 x 6 = -30 -9 x 3 = -27 8 x ( -7 )= -56 Answer -ve Start -6 -8x = Signs Answer ve

9 Integer Division Two parts of the answer …… whether it is + or - …… the value 01234 56789 C. ÷x 0 + On ² - Ans = √ (-) Different Same 10 -15 no1 no2 +/- Signs same 12 ÷ 3 = 4 30 ÷ 5 = 6 -27 ÷ ( -3 ) = 9 -56 ÷ ( -7 ) = 8 Answer +ve Signs Diff -12 ÷ 4 = -3 -30 ÷ 5 = -6 27 ÷ ( -3 ) = -9 56 ÷ ( -7 ) = -8 Answer -ve Start 36 -4÷ = Signs Answer ve


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