2
: Choose true or false
The natural number between 37 and 39 is 38
3
: Choose true or false
There is only one natural number between 99 and 101
6
15 = 5 + 10 = 5 + (3 + 7) = 5 + 3 + 7
is called ........................ property
8
40 = 8 × 5 = 5 × 8
is called ........................ property
9
12 = (3 + 5) + 4= 3 + (4+5)
10
.( 7 × 4 ) × 12 = ........ × ( 4 × 12)
12
............ = 2 ÷ ( 4 ÷ 24 ) : Find the value of
14
........ = 3 ÷ 12 : Divide
17
............ , 555 , 55 , 5 : Complete the following pattern
18
............ , 12 , 9 , 6 , 3 : Complete the following pattern
19
Sally is X years old now , then the age of sally after 9 years is
22
5 = 3 - × : Solve the equation
23
: Solve the equation
8 = 2x
25
: Solve the equation
4 =x - 10
28
If the area of square = 25
............. The it's side length equals
29
If the premiter of square = 12
............. The it's side length equals