Saturday, January 2, 2010

What math activities can I do with my child?

What math activities can I do with my child?

1. Understanding Numbers

Numbers are used to describe quantities, to count, and to add, subtract, multiply, and divide. Understanding numbers and knowing how to combine them to solve problems helps us in all areas of math.

Count everything! Count toys, kitchen utensils, and items of clothing as they come out of the dryer. Help your child count by pointing to and moving the objects as you say each number out loud. Count forwards and backwards from different starting places. Use household items to practise adding, subtracting, multiplying, and dividing.

Sing counting songs and read counting books. Every culture has counting songs, such as "One, Two, Buckle My Shoe" and "Ten Little Monkeys", which make learning to count – both forwards and backwards – fun for children. Counting books also capture children’s imagination, by using pictures of interesting things to count and to add.

Discover the many ways in which numbers are used inside and outside your home. Take your child on a "number hunt" in your home or neighbourhood. Point out how numbers are used on the television set, the microwave, and the telephone. Spot numbers in books and newspapers. Look for numbers on signs in your neighbourhood. Encourage your child to tell you whenever he or she discovers a new way in which numbers are used.

Ask your child to help you solve everyday number problems. "We need six tomatoes to make our sauce for dinner, and we have only two. How many more do we need to buy?" "You have two pillows in your room and your sister has two pillows in her room. How many pillowcases do I need to wash?" "Two guests are coming to eat dinner with us. How many plates will we need?"

Practise "skip counting". Together, count by 2’s and 5’s. Ask your child how far he or she can count by 10’s. Roll two dice, one to determine a starting number and the other to determine the counting interval. Ask your child to try counting backwards from 10, 20, or even 100.

Make up games using dice and playing cards. Try rolling dice and adding or multiplying the numbers that come up. Add up the totals until you reach a target number, like 100. Play the game backwards to practise subtraction.

Play "Broken Calculator". Pretend that the number 8 key on the calculator is broken. Without it, how can you make the number 18 appear on the screen? (Sample answers: 20 – 2, 15 + 3). Ask other questions using different "broken" keys.

2. Understanding Measurements

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?

3. Understanding Geometry

The ability to identify and describe shapes, sizes, positions, directions, and movement is important in many work situations, such as construction and design, as well as in creating and understanding art. Becoming familiar with shapes and spatial relationships in their environment will help children grasp the principles of geometry in later grades.

Identify shapes and sizes. When playing with your child, identify things by their shape and size: "Pass me a sugar cube." "Take the largest cereal box out of the cupboard."

Build structures using blocks or old boxes. Discuss the need to build a strong base. Ask your child which shapes stack easily, and why.

Hide a toy and use directional language to help your child find it. Give clues using words and phrases such as up, down, over, under, between, through, and on top of.

Play "I spy", looking for different shapes. "I spy something that is round." "I spy something that is rectangular." "I spy something that looks like a cone."

Ask your child to draw a picture of your street, neighbourhood, or town. Talk about where your home is in relation to a neighbour’s home or the corner store. Use directional words and phrases like beside and to the right of.

Go on a "shape hunt". Have your child look for as many circles, squares, triangles, and rectangles as he or she can find in the home or outside. Do the same with threedimensional objects like cubes, cones, spheres, and cylinders. Point out that street signs come in different shapes and that a pop can is like a cylinder.

4. Understanding Patterns

We find patterns in nature, art, music, and literature. We also find them in numbers. Patterns are at the very heart of math. The ability to recognize patterns helps us to make predictions based on our observations. Understanding patterns helps prepare children for the study of algebra in later grades.

Look for patterns in storybooks and songs.

Many children’s books and songs repeat lines or passages in predictable ways, allowing children to recognize and predict the patterns.

Create patterns using your body.

Clap and stomp your foot in a particular sequence (clap, clap, stomp), have your child repeat the same sequence, then create variations of the pattern together. Teach your child simple dances that include repeated steps and movements.

Hunt for patterns around your house and your neighbourhood.

Your child will find patterns in clothing, in wallpaper, in tiles, on toys, and among trees and flowers in the park. Encourage your child to describe the patterns found. Try to identify the features of the pattern that are repeated.

Use household items to create and extend patterns. Lay down a row of spoons pointing in different directions in a particular pattern (up, up, down, up, up, down) and ask your child to extend the pattern.

Explore patterns created by numbers. Write the numbers from 1 to 100 in rows of 10 (1 to 10 in the first row, 11 to 20 in the second row, and so on). Note the patterns that you see when you look up and down, across, or diagonally. Pick out all the numbers that contain a 2 or a 7.

5. Understanding and managing data

Every day we are presented with a vast amount of information, much of it involving numbers. Learning to collect, organize, and interpret data at an early age will help children develop the ability to manage information and make sound decisions in the future.

Sort household items.

As your child tidies up toys or clothing, discuss which items should go together and why. Show your child how you organize food items in the fridge – fruit together, vegetables together, drinks on one shelf, condiments on another. Encourage your child to sort other household items – crayons by colour, cutlery by type or shape, coins by denomination.

Make a weather graph.

Have your child draw pictures on a calendar to record each day’s weather. At the end of the month, make a picture graph showing how many sunny days, cloudy days, and rainy days there were in that month.

Make a food chart.

Create a chart to record the number of apples, oranges, bananas, and other fruit your family eats each day. At the end of the month, have your child count the number of pieces of each type of fruit eaten. Ask how many more of one kind of fruit were eaten than of another. What was your family’s least favourite fruit that month?

Talk about the likelihood of events. Have your child draw pictures of things your family does often, things you do sometimes, and things you never do. Discuss why you never do some things (swim outside in January). Ask your child if it’s likely to rain today. Is it likely that a pig will fly through the kitchen window?

Where can I get help?

Many people are willing to support you in helping your child learn math, and there are also many resources available.

Your Child’s Teacher
Your child’s teacher can provide advice about helping your child with math. Here are some topics you could discuss with the teacher:
your child’s level of performance in math
the goals your child is working towards in math, and how you can support your child in achieving them
strategies you can use to assist your child in areas that he or she finds difficult
activities to work on at home with your child
other resources, such as books, games, and websites


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