Name: ______________ Write the number halfway between each pair of numbers.
50     60     ___________	100     200     ___________
250     350     ___________	700     800     ___________
4,000     5,000     ___________	4,000     8,000     ___________
75     85     ___________	30     36     ___________
120     140     ___________	40     50     ___________
300     500     ___________	3,000     4,000     ___________
Draw a number line from 30 to 50 by ones. Place a dot at the halfway number.
Draw a number line from 500 to 600 by tens. Place a dot at the halfway number.
Explain: What is a halfway number? Draw a number line for your explanation.