Asked by elaine

Write the +/- family for:500, 1100, 1600.

What do i do?
1100+500=1600
500+1100=1600
1600-1100=500
1600-500=1100

Is that correct? Please help.Thank you.
Answered by Joshua
Hi elaine,
Yup, that is all correct. Well done!
Answered by elaine
Thank you
Answered by Joshua
Oops, missed out some equations
such as
500 + 1600,
sorry about that
Answered by Joshua
together with 1100 + 1600, 1100 - 500, and I'm not sure if you also want to include those with negative answers..
Answered by emmanuel
explain how 3 group partial sums work
Answered by blanca
give three numbers that make each statement true.
1.- 12+(?) is greater than 20.
Answered by brandy
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 )
Answered by Matthew
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.
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