At the grocery store, ask your child to read prices out loud, count the items in the cart, weigh vegetables and other produce, compare unit prices, or estimate the total cost of your grocery bill.
In a restaurant, have your child find menu items that cost less than $3, more than $5, etc. Together, estimate the total bill, the tip, or the amount of change you will get back.
When you go shopping at the mall or elsewhere, look for sale items. If an item has been marked down, let your child subtract the sale price from the original price to determine the amount of savings. Or point out percent-off signs and estimate together what the sales price will be (10% of $35 = $3.50; $35 - $3.50 = $31.50).
As you walk the neighborhood, count the number of birds, animals, or cars you see. Notice geometric shapes (right angles, rectangles, cones and spheres, etc.) in the windows and buildings. Estimate the height and width of buildings and objects and how far you walk.
On the bus or train, read the schedule together. Discuss departure and arrival times. Figure out how long the trip will take and when you will get there. Count the number of seats and estimate how many people the vehicle holds.
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