Revise adding more than two numbers (2)

A selection of mini investigations, finding how many different totals can be made.

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A tricky set of mental addition questions, adding teens to 2-digit numbers.

Find three numbers to make totals, with the help of number lines. Two steps to work these out, making them quite hard.

Adding and subtracting a 1-digit number from a 3-digit number with the help of place value grids.

Number bonds to 100 with images of creatures.

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