What is the greatest value of the sum of the digits of the number made from the sum of the digits of a three-digit number?

9

10

12

18

2 / 10

My ones digit is 2, my tens digit is 3 more than my oness digit. What number am I?

23

32

25

52

3 / 10

What is the tens digit in 95 ?

5

9

90

10

4 / 10

There are eight kangaroos in different locations: But the kangaroo-keeper wants: * exactly two kangaroos in any row * exactly two kangaroos in any column What is the least number of kangaroos that need to be moved?

4

3

2

1

5 / 10

Which one of the following is an irrational number?

3.16

3.16

3.1

p

6 / 10

Between which pair of whole numbers does the square root of 213 lie?

11 and 12

12 and 13

13 and 14

14 and 15

7 / 10

What is the tens digit in 25 ?

10

20

5

2

8 / 10

Teddy started with 17 marbles and won 4 more every day until he had 41 altogether. How many days did that take?

4

7

5

6

9 / 10

After we simplify 2 + 2 - 2 + 2 - 2 + 2 - 2 + 2 - 2 + 2 what will be the result?

2

4

20

0

10 / 10

A bucket holds 8,000 cm3 of water. How many liters is that?