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OPERATION OF NUMBERS-P.7

This unit talks about the operation of numbers.it shows you multiplication,subtraction,multiplication and addition.

Comparing digits using >, < or =

Using greater than, less than or equal to

>                         <     or     =

Activity:

Using the above symbols to do the work.

Which is greater?

  1. a) 6 ______3
  2. b) 2 ______7
  3. c) 4 ______0
  4. d) 17 _____6

Which is less?

  1. a) 98 ______89
  2. b) 412 ____241
  3. c) 934 ____943
  4. d) 521 ____512

Addition of numbers

Numbers should be arranged correctly according to their place value. When adding we start from ones. If there is any carrying, then we carry 1 ten to tens.

We continue in that order until all numbers are added correctly.

addition of numbers

Activity

  1. Primary School Mathematics bk 3 pg 14.
  2. Understanding MTC bk 3 pg 12

Therefore, the same will be done towards word sums.

Activity:

  1. Primary Mathematics Bk 3 pg 11.
  2. Primary MTC for Uganda bk 3 pg 25, 26
  3. Mk mathematics book three page 44 and 46

Subtraction of members with regrouping and without regrouping

Numbers should be arranged correctly according to their place value. When subtracting we begin with or start handling with one. If there is borrowing (re-grouping). It is done in groups of tens.

That order is done until all numbers are completed.

Example

Subtraction of members with regrouping and without regrouping

Activity:

Mk mathematics book three pages 48, 50 and 52

Primary school mathematics book 3 pages 16 and 33

Word sums involving subtractions

The same will be done in handling word sums

Activity:

  1. Mk Primary Mathematics book 3 pages49, 51and 54.
  2. Understanding mathematics pg 21 – 24, 44.

drawing multiplication tables

multiplication of two digits by one

Multiplying two digits by two.

Example; 1

12 x 13

12

x     13

36

+ 120

156

 

Example 2

12 x 13                    Expand 12               10 + 2

10 x 13 = 130

2 x 13 = + 26

156

Activity

  1. Mk mathematics book 3 pages 69 to 70
  2. Primary school MTC Bk 3 pg 36 – 37 and 84 and 85.

Word sum in multiplication

Word sums will be handled as well.

Activity

  1. Primary MTC for Uganda Bk 3 pg 21.
  2. Mk Primary Mathematics Bk 3 pg 71.Division of numbers one by oneIntroduction of division.2 ÷ 2 = 1Children will share objects to learn division of numbers.

Division of numbers two by one.

Children should be able to:-

  1. Drawing multiplication tables up to 9.
  2. Divide given numbers correctly.

division of numbres by one

division of numbres by one 1

long division

Activity

Primary Mathematics for Uganda book three pages 81 to 88

Primary school Mathematics book 3 pages 25 to 26 and 87

Mk Mathematics book 3 page 74 to 75

Word sums in division.

Word sums will be handled as well.

Activity:

Mk mathematics book 3 page 76 to 77

 

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