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 transcript:

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

Higher / Lower C. ÷x 0 + On ² - Ans = √ (-) = Clear 102 updown up/ down Scale Hide Lower no1 no degrees Lower than -10° C ° C Click for new example

Higher / Lower C. ÷x 0 + On ² - Ans = √ (-) = 6 1 up down ScaleHide Lower no 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 -

Integer Add / Sub C. ÷x 0 + On ² - Ans = √ (-) = down up Clear 1520 updown up/ down up5 Scale Hide Subtraction no1 no (-20)

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 up then 7 up 5 + (-3)….5 up then 3 down Subtraction - Description for 2 nd number is reversed ….5 up then 7down 5 - (-3)….5 up then 3 up 10 - (-15) C. ÷x 0 + On ² - Ans = √ (-) = then 10 up 15 up 25 up Subtraction up down 25 up eg = no1 no2 + -

Addition Subtraction Practice C. ÷x 0 + ² - Ans = √ (-) ScaleHide +/- 1 5 Subtraction no1 no = then = up down -

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

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

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