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Column addition 6: Tenacious Turtles

The Maths Bit

The Number Bit!

In this exciting lesson, you will need to solve a range of addition word problems that feature marine turtles. Try using PAWS to arrive at the right answer!

 =  Picture the problem in your mind.

=  Annotate the word problem by highlighting the important information.

W =  Write down the number sentence that needs to be solved.

S  =  Solve the number sentence using an efficient strategy.

Prior learning: 4-digit column addition with more than one exchange

Use PAWS and column addition to solve the following word problem.

On the 15th March, a first wave of 12,357 olive ridley turtles left the ocean and dragged their heavy bodies up onto a Costa Rican beach. An hour later, they were joined by a second wave of 9,362 olive ridley turtles. The night before, 6,527 olive ridley turtles had already laid their ping-pong sized eggs on this beach.

How many olive ridley turtles came to shore on the 15th March?

Did you know?

Unlike humans, olive ridley sea turtles are able to sense the Earth’s magnetic field. Because of this, adult females are able to find their way back to the beach where they hatched out of their leathery shell (even though it may be thousands of miles away).