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Instructions for Pupils
1) Click add 
.
2) Use the 
tool to move the manipulatives and build a model to solve the problem.
3) Click and drag the numbers to complete each number bond.
4) Click the green check 
.
Teacher Notes (not visible to pupils)
Level 4: I can mentally add and subtract numbers to make 20. Level 3: I can start with any number from 1 to 19 and find the number that makes 20, sharing my answer with a model, drawing, or equation. *I can understand essential vocabulary, such as: Model, Equation, Number *I can find the number that makes 10 when added to another number using models, drawings, or an equation to show my answer. *I can decompose the number 20 using models, drawings, or an equation to show my answer.
