# Mathematics (Primary Classes)

## Money

Addition of Money Example: find the sum of N4.36, N3.79 and N4.82 N   K 4    36 +  3. 7 9 +  4. 8 2    12. 9 7 EXERCISES Add up 00, N24.70 and N32.55 20, N174.30 and N132.30 00, N152.10 and N184.20 80, N378.35 and N29.46 Fin the sum, of N168.00 and N276.00 …

## HIGHEST COMMON FACTOR (HCF)

The product of 2 and 3 is; 2 x 3 = 6 2 and 3 are factors of 6 The factors of a number are numbers that divide the number without a remainder   EXAMPLE Find the common factors of 24 and 36 24 =    1 x 24                                             36 =   1 x 36 =    … ## MULTIPLICATION OF NUMBERS

MULTIPLICATION OF NUMBERS BY 2-DIGIT NUMBERS Example 1 multiply 25 by 12 Method 1: column form                                                  method 2: Expanded form 2    5                                                                25 x 12 = 25 x (10 = 2) x  1    2                                                                              = (25 x 10) = (25 x 2) 2   5   0                  (25 x 10)                                          = 250 + …