Create ONE (1) real-world problem involving addition: subtraction multiplication: and divison for people to solve.
An answer key to each problem you created.

a. is the answer because they are not shared

i believe the answer would be:

d. violin, clarinet, french horn, and tuba

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.