Numbers and sequences

Special numbers

Name: ______________________________Date: ______________Score: ______ / 20

1.
What is the ninth square number?
2.
Calculate 7 squared (7²).
3.
What is 6²?
4.
36 is a square number.
True False
5.
What is 8 squared (8²)?
6.
Put these square numbers in order from smallest to largest.
Write the order (smallest to largest) in the boxes:
- ?49
- ?4
- ?81
- ?16
7.
1 and 4 are two consecutive square numbers. What is their sum?
8.
Add the first three odd numbers: 1 + 3 + 5. What square number do you get?
9.
What does 2³ mean?
1. A2 x 2 x 2
2. B2 x 2
3. C2 x 3
4. D2 + 2 + 2
10.
Calculate 5³ (5 cubed).
11.
What is 4³ (4 cubed)?
12.
8 is a cube number.
True False
13.
Which is larger, 2³ or 3²?
1. A3²
2. B2³
3. CThey are equal
4. DYou cannot tell
14.
A large cube is 4 small cubes along each edge. How many small cubes make it up?
15.
Write this as a single number: 400 + 70 + 0
16.
What comes next? 460, 461, 462, 463, …
17.
What number comes just before 360?
18.
Write this as a single number: 700 + 60 + 8
19.
Write this as a single number: 400 + 20 + 7
20.
Write this as a single number: 600 + 20 + 9

Answer key

Numbers and sequences — Special numbers