We use measurements to determine the height,
length, and width of objects, as well as the area they cover, the volume they
hold, and other characteristics. We measure time and money. Developing the
ability to estimate and to measure accurately takes time and practice.
Measure items found around the house. Have your child find objects
that are longer or shorter than a shoe or a string or a ruler. Together, use a
shoe to measure the length of a floor mat. Fill different containers with sand
in a sandbox or with water in the bath, and see which containers hold more and
which hold less.
Estimate everything! Estimate the number of steps
from your front door to the edge of your yard, then walk with your child to
find out how many there really are, counting steps as you go. Estimate how many
bags of milk your family will need for the week. At the end of the week, count
up the number of bags you actually used. Estimate the time needed for a trip.
If the trip is expected to take 25 minutes, when do you have to leave? Have
your child count the number of stars he or she can draw in a minute. Ask if the
total is more or less than your child thought it would be.
Compare and organize household items. Take cereal boxes or cans of
vegetables from the cupboard and have your child line them up from tallest to
shortest.
Talk about time. Ask your child to check the time on the clock when
he or she goes to school, eats meals, and goes to bed. Together, look up the
time of a television program your child wants to watch. Record on a calendar
the time of your child’s favourite away-fromhome activity.
Keep a record of the daily temperature outside and
of your child’s outdoor activities. After a few weeks, ask your child to look at the
record and see how the temperature affected his or her activities.
Include your child in activities that involve
measurements. Have
your child measure the ingredients in a recipe, or the length of a bookshelf
you plan to build. Trade equal amounts of money. How many pennies do you need
to trade for a nickel? for a dime?
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