# Rekenen met wortels (reeks 2)

#### Reken uit

1. $$\sqrt{0,0049}$$
2. $$\sqrt{0,0004}$$
3. $$\sqrt{0,0324}$$
4. $$\sqrt{1,96}$$
5. $$\sqrt{0,0289}$$
6. $$\sqrt{0,36}$$
7. $$\sqrt{0,25}$$
8. $$\sqrt{0,0256}$$
9. $$\sqrt{3,24}$$
10. $$\sqrt{0,0361}$$
11. $$\sqrt{0,0196}$$
12. $$\sqrt{1,44}$$

#### Reken uit

##### Verbetersleutel

1. $$\sqrt{0,0049}=\sqrt{\frac{49 }{ 10000}}=\frac{\sqrt{49}}{\sqrt{10000}}=\frac{7}{100}=\frac{7}{100}$$
2. $$\sqrt{0,0004}=\sqrt{\frac{4 }{ 10000}}=\frac{\sqrt{4}}{\sqrt{10000}}=\frac{2}{100}=\frac{1}{50}$$
3. $$\sqrt{0,0324}=\sqrt{\frac{324 }{ 10000}}=\frac{\sqrt{324}}{\sqrt{10000}}=\frac{18}{100}=\frac{9}{50}$$
4. $$\sqrt{1,96}=\sqrt{\frac{196 }{ 100}}=\frac{\sqrt{196}}{\sqrt{100}}=\frac{14}{10}=\frac{7}{5}$$
5. $$\sqrt{0,0289}=\sqrt{\frac{289 }{ 10000}}=\frac{\sqrt{289}}{\sqrt{10000}}=\frac{17}{100}=\frac{17}{100}$$
6. $$\sqrt{0,36}=\sqrt{\frac{36 }{ 100}}=\frac{\sqrt{36}}{\sqrt{100}}=\frac{6}{10}=\frac{3}{5}$$
7. $$\sqrt{0,25}=\sqrt{\frac{25 }{ 100}}=\frac{\sqrt{25}}{\sqrt{100}}=\frac{5}{10}=\frac{1}{2}$$
8. $$\sqrt{0,0256}=\sqrt{\frac{256 }{ 10000}}=\frac{\sqrt{256}}{\sqrt{10000}}=\frac{16}{100}=\frac{4}{25}$$
9. $$\sqrt{3,24}=\sqrt{\frac{324 }{ 100}}=\frac{\sqrt{324}}{\sqrt{100}}=\frac{18}{10}=\frac{9}{5}$$
10. $$\sqrt{0,0361}=\sqrt{\frac{361 }{ 10000}}=\frac{\sqrt{361}}{\sqrt{10000}}=\frac{19}{100}=\frac{19}{100}$$
11. $$\sqrt{0,0196}=\sqrt{\frac{196 }{ 10000}}=\frac{\sqrt{196}}{\sqrt{10000}}=\frac{14}{100}=\frac{7}{50}$$
12. $$\sqrt{1,44}=\sqrt{\frac{144 }{ 100}}=\frac{\sqrt{144}}{\sqrt{100}}=\frac{12}{10}=\frac{6}{5}$$
Oefeningengenerator vanhoeckes.be/wiskunde 2024-08-09 03:47:23