Help the kids draw outlines of the left feet of everyone in the family from youngest to oldest. Show them a ruler and explain that the ruler is 1 foot long and consists of 12 inches. Show them how to measure the foot outlines and write beside each outline the length and width. Ask them questions such as, "Who has the smallest feet in the family; who has the biggest?" and "How many inches long are your feet; how wide are they?" The child who first answers correctly gets a point with a reward for the most points at the end of the game.
Use square wooden blocks, plastic food containers or cardboard boxes. Have the kids see who can build the tallest tower without it collapsing. Ask the kids to measure one of the components they're using for building the tower. Blocks may be 3 inches high, food containers 2 to 5 inches and cardboard boxes as large as you provide. Once the tower is built, have the kids see who first can figure out the height of their tower. They do this by multiplying the height of the first block by the number of blocks used. Younger kids can add the numbers together.
Lay a broom on the floor. Beside it lay a pile of plastic spoons. Ask how many spoons it would take, end to end, to be as big as the broom. If you have more than one child, lay out brooms and spoons for each and let them race to line up the spoons alongside the broom. Once finished, help them count the spoons used. Ask, "How many spoons does it take to make a line as big or long as the broom?" Use other items, such as baseballs, nails, plastic cups or books of a uniform size. Show kids how to measure the smaller item with the foot-long ruler. If the spoon is this long and it takes this many spoons to make a broom, how long is the broom?
Explain that measuring cups measure liquids like water or juice or solids like flour or raisins. Explain different measuring cup sizes. Have the kids use the smaller cups to fill up the 1-cup measure. Ask them, "How many 1/2 cups did it take to fill the 1 cup?" "How many 1/3 cups?" "How many 1/4 cups?" Reward correct answers. Have the kids see how fast they can fill up a regular glass using the one cup measure. Tell them neatness counts. When finished ask, "How many cups does the glass hold?"
Ask your kids to pick up two items, one at a time. Ask, "Which is heavier?" Check out their answer with a scale. The kids with correct answers receive points. Include items of different and similar weights. Include pillows, toy trucks, shoes, pans and books. Explain the heavier an object, the more it presses down on the scale, pushing the needle to indicate a heavier weight. Have kids get on the scale to show differences in weight. Explain that as they grow, they will get heavier, taller and stronger.