Recognising the relationship between addition and subtraction

Maths

Addition and subtraction within 10

This part whole model can be expressed as 7 - 3 = 4. Choose the other subtraction equation that can be written from this part whole model.

There are five elves standing up, and two elves sitting down. Altogether, there are seven elves. This can be written as an equation: 5 + 2 = 7. How else can this equation be written?

This part whole model can be expressed as 1 + 6 = 7. Choose the other addition equation that can be written from this part whole model.

First, there were six ladybirds. Then, two of them flew away. How many ladybirds were left?

The farmer owned seven sheep. Five were inside the pen. How many were outside the pen?

There were nine fish in the tank. The, one jumped out of the tank! How many fish were left in the tank?

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Recognising the relationship between addition and subtraction

Lesson outcome