Addition and Subtraction of numbers 0 1000 Objectives

Addition and Subtraction of numbers (0 -1000)

Objectives By the end of this lesson, the students should be able to: § Perform addition and subtraction

Activity 1: Role Play § Two students are made to play as customer and shopkeeper. § The transaction chosen need to involve addition (buying of several goods addition of their costs) and subtraction (money exchange by shopkeeper) § The teacher is to act as a translator of what is happening, emphasizing on the arithmetic operations. Students are encouraged to participate through their reflection. Note: Goods can be brought to give a realistic aspect to the play and a calculator can be used to show the technological support we have in real life

Addition through grouping Students are allowed to perform addition using groups of objects. 2 + +5. 4+6 = +

Activity 2: Addition using Number Lines § Draw numbers, in the form of a number line, on the floor. § Students are given one digit sums to conduct and teacher scaffolds by indicating the direction to move.

Consolidation work Students are provided with number line(s) on paper to perform the following additions: 9 8 0 +7 +1 +3 . .

Brainstorming on Addition of bigger numbers § Bigger numbers are added through grouping. § Recap on place value and concept of carry over is introduced. TU 10 12+ TU 28 11+ TU 75 44+ TU 25 16+ TU 75 57+ 15 + 57 =

Subtraction through grouping Students are allowed to perform subtraction using groups of objects. 9 9. 10 4 - 6 -2 =

Activity 3: Subtraction using Number Lines § Use numbers, in the form of a number line, on the floor. § Students are given one digit subtraction to conduct and teacher scaffolds by indicating the direction to move. Here the concept of addition is recapitulated.

Consolidation work Students are provided with number line(s) on paper to perform the following subtractions: 8 3 -3 - 0_.

Brainstorming on Subtraction with bigger numbers § Bigger numbers are subtracted. § Recap on carry over and concept of lending is introduced. TU 16 12 - TU 30 21 - TU 71 40 - TU 25 16 - TU 75 57 - 63 - 47=

End of the Lesson: Addition and Subtraction of numbers (0 -1000) Menu