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Questions

Time

Score

Estimating Real Numbers

Estimate ﻿168\sqrt{168}168​﻿ .

12.9

14.2

13.6

Estimate ﻿643\sqrt[3]{64}364​﻿ .

4

3

6

Estimate ﻿7\sqrt{7}7​﻿ .

2.4

1.5

2.6

Estimate ﻿183\sqrt[3]{18}318​﻿ .

2.7

3.6

2.6

Estimate ﻿303\sqrt[3]{30}330​﻿ .

3.4

3.5

3.6

Estimate ﻿50\sqrt{50}50​﻿ .

7.1

1.7

7.6

Estimate ﻿18\sqrt{18}18​﻿ .

2.4

4.2

3.6

Estimate the value of the root

Estimate ﻿12\sqrt{12}12​﻿ .

3.4

3.5

3.6

Estimate ﻿183\sqrt[3]{18}318​﻿ .

2.7

3.6

2.6

Incorrect

Great!

Estimate $\sqrt{168}$ .

Estimate $\sqrt[3]{64}$ .

Estimate $\sqrt{7}$ .

Estimate $\sqrt[3]{18}$ .

Estimate $\sqrt[3]{30}$ .

Estimate $\sqrt{50}$ .

Estimate $\sqrt{18}$ .

Estimate $\sqrt{12}$ .

Estimate $\sqrt[3]{18}$ .