COMMON CORE MATH
posted by KAITLIN .
SIMPLIFY THIS EXPRESSION 6K + 7K

6K + 7K
= 7k  6k
Suppose 7 kangaroos are in a field and 6 of them leave
How many kangaroos are left 
A box containing 3 small bags of flour weighs 950 grams. Each bag of flour weighs 300 grams. How much does the empty box weighs ?
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