1.10 Systems of measurement  (Page 12/13)

$37.5+12.23$

$\mathrm{-4.2}+\left(\mathrm{-9.3}\right)$

$\mathrm{-8.6}+\left(\mathrm{-8.6}\right)$

$100-64.2$

$100-65.83$

$2.51+40$

$9.38+60$

$\left(0.3\right)\left(0.4\right)$

$\left(0.6\right)\left(0.7\right)$

$\left(8.52\right)\left(3.14\right)$

$\left(5.32\right)\left(4.86\right)$

$\left(0.09\right)\left(24.78\right)$

$\left(0.04\right)\left(36.89\right)$

$0.15÷5$

$0.27÷3$

$\mathrm{\$8.49}÷12$

$\mathrm{\$16.99}÷9$

$12÷0.08$

$5÷0.04$

0.08

0.17

0.425

0.184

1.75

0.035

$\frac{2}{5}$

$\frac{4}{5}$

$-\frac{3}{8}$

$-\frac{5}{8}$

$\frac{5}{9}$

$\frac{2}{9}$

$\frac{1}{2}+6.5$

$\frac{1}{4}+10.75$

5%

9%

40%

50%

115%

125%

0.18

0.15

0.009

0.008

1.5

2.2

$\sqrt{64}$

$\sqrt{144}$

$\text{−}\sqrt{25}$

$\text{−}\sqrt{81}$

ⓐ 9 ⓑ 8.47

ⓐ $\mathrm{-15}$ ⓑ 3.591

$0.84,0.79132\text{…},1.\stackrel{\text{–}}{3}$

$2.3\stackrel{\text{–}}{8},0.572,4.93814\text{…}$

ⓐ $\sqrt{121}$ ⓑ $\sqrt{48}$

ⓐ $\sqrt{56}$ ⓑ $\sqrt{16}$

ⓐ $\sqrt{\mathrm{-9}}$ ⓑ $\text{−}\sqrt{169}$

ⓐ $\sqrt{\mathrm{-64}}$ ⓑ $\text{−}\sqrt{81}$

$\mathrm{-4},0,\frac{5}{6},\sqrt{16},\sqrt{18},5.2537\text{…}$

$\text{−}\sqrt{4},0.\stackrel{\text{—}}{36},\frac{13}{3},6.9152\text{…},\sqrt{48},10\frac{1}{2}$

$\frac{2}{3},\frac{5}{4},\frac{12}{5}$

$\frac{1}{3},\frac{7}{4},\frac{13}{5}$

$2\frac{1}{3},\mathrm{-2}\frac{1}{3}$

$1\frac{3}{5},\mathrm{-1}\frac{3}{5}$

$\mathrm{-1}\_\_\_-\frac{1}{8}$

$\mathrm{-3}\frac{1}{4}\_\_\_\mathrm{-4}$

$-\frac{7}{9}\_\_\_-\frac{4}{9}$

$\mathrm{-2}\_\_\_-\frac{19}{8}$

$0.3$

$\mathrm{-0.2}$

$\mathrm{-2.5}$

2.7

$0.9\_\_\_0.6$

$0.7\_\_\_0.8$

$\mathrm{-0.6}\_\_\_\mathrm{-0.59}$

$\mathrm{-0.27}\_\_\_\mathrm{-0.3}$

$\mathrm{-12}\left(4m\right)$

$30\left(\frac{5}{6}q\right)$

$\left(a+16\right)+31$

$\left(c+0.2\right)+0.7$

$6y+37+\left(\mathrm{-6}y\right)$

$\frac{1}{4}+\frac{11}{15}+\left(-\frac{1}{4}\right)$

$\frac{14}{11}·\frac{35}{9}·\frac{14}{11}$

$\mathrm{-18}·15·\frac{2}{9}$

$\left(\frac{7}{12}+\frac{4}{5}\right)+\frac{1}{5}$

$\left(3.98d+0.75d\right)+1.25d$

$11x+8y+16x+15y$

$52m+\left(\mathrm{-20}n\right)+\left(\mathrm{-18}m\right)+\left(\mathrm{-5}n\right)$

ⓐ $\frac{1}{3}$
ⓑ $5.1$
ⓒ $\mathrm{-14}$
ⓓ $-\frac{8}{5}$

ⓐ $-\frac{7}{8}$
ⓑ $\mathrm{-0.03}$
ⓒ $17$
ⓓ $\frac{12}{5}$

ⓐ 10 ⓑ $-\frac{4}{9}$ ⓒ 0.6

ⓐ $-\frac{9}{2}$ ⓑ $\mathrm{-7}$ ⓒ 2.1

$83·0$

$\frac{0}{9}$

$\frac{5}{0}$

$0÷\frac{2}{3}$

$43+39+\left(\mathrm{-43}\right)$

$\left(n+6.75\right)+0.25$

$\frac{5}{13}·57·\frac{13}{5}$

$\frac{1}{6}·17·12$

$\frac{2}{3}·28·\frac{3}{7}$

$9\left(6x-11\right)+15$