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22 August 2014
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Schools  >> All subjects for ages 4 - 11 years The Little Animals Activity Centre
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Activity Overview | Curriculum | Lesson Plans | Worksheets

Lesson PlansCount Hoot
Maths: Simple addition and subtraction
Objectives
To be able to demonstrate simple addition and subtraction and to solve simple number problems

Curriculum Relevance
(Ma2) Number and algebra
(3a) Calculations, number operations and the relationships between them.
  • Understand addition and use related vocabulary; recognise that addition can be done in any order
  • Understand subtraction as both 'take away' and 'difference' and use the related vocabulary
  • Recognise that subtraction is the inverse of addition; give the subtraction corresponding to an addition and vice versa;
  • Use the symbol '=' to represent equality;
  • Solve simple missing number problems
  • National Numeracy Strategy Y2
Resources required
Any of the activity sheets below, with the bingo cards cut out. (To print bigger bingo cards, enlarge the sheets onto A3 before cutting them out.)
  • Activity sheet level 1 (a and b)
    Bingo cards for simple addition with number spots (a) or numbers (b) to 6.
  • Activity sheet level 2 (a, b and c)
    Bingo Cards for simple addition (or subtraction) with numbers between 1 and 10.
  • Activity sheet level 3 (a and b)
    Bingo cards for addition and or subtraction of numerals between 1 and 20.
Main Activity
Explain the rules of the game of Bingo to the class.
On level one, all of the numbers need to be marked since there are only four squares.
On level three, a straight horizontal, vertical or diagonal line would be sufficient.
Ask one student to write down the questions for each game on the board. Call out questions until a pupil calls “Bingo!”

If simple addition is the focus (Cards on activity sheet level 1) ask questions such as:
  • 2 more than 1 is?
  • 2, add 2 more, is?
  • 3 plus 1, is equal to?
The cards on activity sheet level 2, enables harder calculations of simple addition:
  • 6, add 2 more, is equal to?
  • 7 more than 2 is?
  • Or use a mixture of addition and subtraction i.e.:5 less than 10 is?
  • The difference between 8 and 3 is?

The last sets of bingo cards (activity sheet level 3) have numerals up to 20, which are ideal for simple addition, subtraction or a mixture of both.
The idea is to keep the numbers within the ability of the pupils and develop mathematical language.
The pupils need to know that sometimes it is a missing number problem that needs to be solved rather than straightforward addition of two digits.
Plenary
Go through the questions of each game and ask questions:
  • What is the total?
  • How did you know what the answer was?
  • What strategies did you use?
    (counting on, using fingers or using number facts etc.)


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