## MATH – NUMBERS – DIVISIBILITY

An integer is divisible by 2 if the last digit of an integer is 0, 2, 4, 6 or 8 Example : 42, 46, 90, 240, 88, 54 An integer is divisible by 3 if the sum of its digits Read More …

## ALGEBRA – FACTOR RULE 1

FACTOR RULE 1 ax + ay = a(x +y) Examples : 2k + 2p = 2(k + p) 445k + 445p = 445(k + p) – 2k – 2p = – 2(k + p) 23k + 23p = 23(k + Read More …

## ALGEBRA

Find the value of expression when x = 4, y = 1, z = – 2

## DECIMAL AFFIX ZEROES

If you affix zeroes to right of a decimal number, the number is not changed. EXAMPLES 54.10 is same as 54.100 154 is same as 154.0 65654.23 is same as 65654.230 857874.1023 is same as 857874.102300 5888778.5 is same as Read More …

A  0.1 + 0.1 = B  0.2 + 0.9 = C  1.45 + 2.2 = D  1.5 + 6.78 = E  7.234 + 1.1 = F  3.678 + 2.4 = G  3.6708 + 9.1 = H  3.5678 + 1.02 = I  3.56780 + 7.8 + 8.9 = J  6.78 + Read More …

4 + 1 = 5 4 + 2 = 6 4 + 3 = 7 4 + 4 = 8 4 + 5 = 9 4 + 6 = 10 4 + 7 = 11 4 + 8 = 12 Read More …

3 + 1 = 4 3 + 2 = 5 3 + 3 = 6 3 + 4 = 7 3 + 5 = 8 3 + 6 = 9 3 + 7 = 10 3 + 8 = 11 Read More …