posted by elaine .
Write the +/- family for:500, 1100, 1600.
What do i do?
Is that correct? Please help.Thank you.
Yup, that is all correct. Well done!
explain how 3 group partial sums work
needs help in math. I don't know what this is all about but I would to get her some help. Thanks her mom ( Julene )
Oops, missed out some equations
500 + 1600,
sorry about that
together with 1100 + 1600, 1100 - 500, and I'm not sure if you also want to include those with negative answers..
give three numbers that make each statement true.
1.- 12+(?) is greater than 20.
Explain your thinking. Use the digits 1, 3, 4, 5, 7, and 9 to write two money amounts that you can subtract by trading 1 dollar for 10 dimes. Then solve.