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Number Boggle

Achievement Objectives:

Achievement Objective: NA1-3: Know groupings with five, within ten, and with ten.
AO elaboration and other teaching resources
Achievement Objective: NA2-3: Know the basic addition and subtraction facts.
AO elaboration and other teaching resources

Specific Learning Outcomes: 

Recall the number of 10s within decades and decades that add to 100.

Recall addition and subtraction facts to 20.

Description of mathematics: 

Number Framework Stages 4 and 5

Required Resource Materials: 
Number Boggle card (Material Master 4-35)

Draw this grid on the board or modelling book and give the students two or three minutes to write as many addition and subtraction equations as they can based around these digits.



 The numbers in the equation must be connected vertically, horizontally, or diagonally. For example, with this grid these are acceptable: 15 – 12 = 3,

5 + 7 = 12 (but not 7 + 5 = 12), 15 – 3 – 7 = 5.

Equations involve two or more numbers, and one or more operations, but no number can be used twice. The students compare their equations in groups. They gain points for each equation only they have recorded. One point is given for each number used in the equation, for example, 15 – 3 – 7 = 4 + 1 earns five points! The player with the most points wins.