Make Sense of Problems and Persevere in Solving Them


Problem


8 + ? = 11
5 = ? - 3
6 + 6 = ?

Strategies


Draw a picture


draw a picture.jpg

Use manipulatives


Start with 5 blocks, then take away blocks until you have 3 left. Count to see how many blocks were taken away.

Add on


Start with 8, then count up until you get to 11.

Do the reverse operation


To solve 8 + ? = 11, subtract 11 - 8.