76.3 – 14.209 = 62.091 (+8) – (+6)=+2 − 122.4 = 4877.6 (+2) – (-6) = +8 (-8) – 9 = -17 15= - 15 17. (-4) – (-4) = 0 3 – 10 = -7 Multiplication 8 x 7 = 56 6 x 0.1 = 0.6 129 x 8 = 1032 0.01 x 5.88 = 0.0588 25 x 48 = 1200 5 x 0.02 = 0.1 (-4)(6) = -24 86.9 x 7 = 608.3 (-2)(3)(-5) = +30
76.3 – 14.209 = 62.091 − 122.4 = 4877.6 15= - 15 3 – 10 = -7 (+8) – (+6)=+2 (+2) – (-6) = +8 (-8) – 9 = -17 17. (-4) – (-4) = 0 Multiplication 8 x 7 = 56 129 x 8 = 1032 25 x 48 = 1200 86.9 x 7 = 608.3 6 x 0.1 = 0.6 0.01 x 5.88 = 0.0588 5 x 0.02 = 0.1 (-4)(6) = -24 (-2)(3)(-5) = +30
Grade-8-Math-Post-Diagnostic-Answer-Key.docx