WEEK ONE MULTIPLICATION OF NUMBERS BY 2-DIGIT NUMBERS Example 1 multiply 25 by 12 Method 1: column form Method 2: Expanded form

WEEK TWO SQUARES AND SQUARE ROOTS OF NUMBERS ( 1- digit and 2 – digit numbers)

WEEK THREE DIVISIONDivision of 2-digit and 3-digit numbers by numbers up to 9 without remainder Example 1: 78 ÷ 6

WEEK FOURLEAST COMMON MULTIPLES ( LCM)Example 1:Find the least common multiples of 2 and 3The multiples of 2 are: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24The multiples of 3 are: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36Thus the common multiples of 2 and three are 6, 12, 18 and 24 The smallest of these multiples(i.e. the least) is 6We say that the least common multiple of 2 and 3 is 6.

WEEK FIVE HIGHEST COMMON FACTOR (HCF) The product of 2 and 3 is; 2 x 3 = 62 and 3 are factors of 6 The factors of a number are numbers that divide the number without a remainder

WEEK SIXESTIMATIONRounding off decimals to the nearest whole numberRules for rounding off decimals to the nearest whole numberWhen rounding off decimals to the nearest whole number, look at the digit in the tenth place. If this digit is 5 or greater than 5, replace the digits after the decimal point with zero and add 1 to the digit in the units place If this digit is less than 5, replace the digits after the decimal point with zero.

WEEK SEVENMoney Addition of money Example: find the sum of N4.36, N3.79 and N4.82

WEEK EIGHT PROBLEM ON MULTIPLICATION OF MONEY EXAMPLE Find the cost of 3 books at N91.55 each.

WEEK TENPROFIT AND LOSSExample 1A man bought a leather bag for N350.00 and sold it for N360.00. will he have more money or less money with him?