Name: __________________________ Date: _____________ Per: ____
Unit 2 Inv. 2.4 Cube Roots
What does it mean to “cube” a number?
Fill in the chart:
13 =
23 =
33 =
43 =
53 =
63 =
73 =
83 =
93 =
103 =
The inverse of cubing is finding the cube root:
3
8
3
512 
3
125 
3
64 
On the number line below, place a square root above its whole number value and
a cube root below its whole number value.
How do you find the cube root of a non-perfect cube?
PRACTICE: Between which two consecutive whole numbers does 3 89 fall? _________
Name: __________________________ Date: _____________ Per: ____
Unit 2 Inv. 2.4 square roots & Cube Roots mixed practice
Write the square or cube of each number.
Find the value of each square root or cube root.
1.
3
27 = _____
2. 64 = _____
6. 400 = _____ 7. 3 125 = _____
3. 324 = _____
4. 3 729 = _____ 5. 3 64 = _____
8. 625 = _____
9. 3 1000 = ____
10. 3 8000 = ____
13. 14  x
14. x3  64
15.
18. x2  2.25
19.
23. x3  512
24. x 2  529
Find the value(s) of x for each equation.
11.
3
x 6
16. x3  216
x  3.2
21.
12. x 2  144
17.
3
x 5
22.  49  x
3
x 8
3
x  10
20. x3  343
25.
3
x 7
Between which two consecutive whole numbers does each non-perfect cube fall?
26.
3
200
27.
3
4
28.
3
990
29.
3
65
30.
3
300