3rd grade math
posted by danny .
write an expression. then write a number sentence and solve. Garnet bought 16 red buttons,8 blue buttons, and 25 green buttons. How many blue and red buttons did she buy? I know the number sentence is 16 +8=24. What ia an expression?

The expression is the number sentence.

Ironic, my son is doing the same exact problem. I know what the number sentece is as well but the expression from what I have read should be the same except with no equals sign.

Define a number sentence

I cannot answer it. I never had this in school. I graduated in 1966
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