W.A.L.T solve addition and subtraction problems by rounding or going back through a tidy 10.
Hexagons, my math group have been learning efficient ways to solve math problems. One we have been focusing on for a couple of weeks has been using tidy numbers.
To solve addition problems we have to round the number closest to a tidy ten up and then take away what you added from your answer.
To solve subtraction problems we take away the ones and then take away the left overs. Below is a picture showing you how to do it,
i have used this strategy alot of times
Hexagons, my math group have been learning efficient ways to solve math problems. One we have been focusing on for a couple of weeks has been using tidy numbers.
To solve addition problems we have to round the number closest to a tidy ten up and then take away what you added from your answer.
To solve subtraction problems we take away the ones and then take away the left overs. Below is a picture showing you how to do it,
i have used this strategy alot of times
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