Physical Growth & Development of Infants Math

If Hector is inches long, he is:

• Under a year old

• Over a year old

• There is not way to tell from the question

If Jorge was 20 inches long at birth, he will most likely be ______" on his first birthday.

• 25"

• 30"

• 35"

The average American baby weighs 7.5 pounds at birth.

• True

• False

Myla weighed 7 pounds at birth. Her weight at five months is likely to be:

• 10 pounds

• 12 pounds

• 14 pounds

• 16 pounds

Sarah, born at 7 1/2 pounds could be expected to weigh ________ on her first birthday.

• 21 pounds

• 21 pounds, 8 ounces

• 22 pounds

• 22 pounds, 8 ounces

Using the average length and weight chart on page 206, determine the amount of inches an average baby would increase in length during the first six months.

• 20 inches

• 23 3/4 inches

• 6 inches

• 26 inches

During which three-month period does an infant typically grow the most in length?

• birth to 3 months

• 3 to 6 months

• 6 to 9 months

• 9 months to 12 months

What is the average monthly growth in length in months 10, 11, 12?

• 1/2"

• 1"

• 1 1/2"

Again, based on the chart on page 206, what is the average growth in length per month of a baby during the second half of infancy?

• approximately 1/4"

• approximately 1/2"

• approximately 2"

• approximately 3 1/2"

During which three month period does an infant gain the most weight?

• birth to 3 months

• 3 to 6 months

• 6 to 9 months

• 9 to 12 months