Question

My child's teacher sent out questions to prepare for a big math test. He does not understand the questions well and I can't seem to get him to grasp it. I know the answer but could you show some easy methods or something, thank you! By the way, this is NOT graded so you don't have to worry about that :)

Actual questions:

You have to round these 4 fractions/mixed numbers to the nearest 1/2

1. 3 4/5
2. 100 1/3
3. 4 2/3
4. 4 8/9


Please write so my 9 year old son can understand (and my old lady brain!)

Answer 1

Nearest 1/2?

on the first, 4/5 will round to either 2.5/5 or 5/5 :(those are the 1/2 of five). 4/5 is closer to 5/5 than 2.5/5, so 3 4/5 to the nearest 1/2 is 4

100 1/3. you have to round to 1.5/3, or 3/3. 1/3 is closer to 1.5/3, so
100 1/3 rounds to 100 1.5/3, which is 100 1/2

4 2/3 has to round to 4 1.5/3 or 4 3/3 (which is five). Well 2/3 is closer 1.5/3, so 4 2/3 rounds to 4 1/2

finally 4 8/9 will round to 4 4.5/9 or 4 9/9 8/9 is closer to 9/9 , so
it rounds to 4 9/9 or 5

Answer 2

Okay, thank you VERY much. I was afraid I would never get him to understand. I will teach him what you have said.