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About this game
Unit rates: a free Grade 6 math game for ages 11-12. Kids find how far something goes in 1 hour at the same speed. Each round brings 10 fresh questions with new numbers; instructions are read aloud and every answer is checked.
Highway signs post speeds such as 55 or 65, and each one is a unit rate in disguise. Unit rates turns that idea into one card at a time. A car, bus or train covers between 40 and 420 miles in 2 to 6 hours, and your child types how far it goes in 1 hour. New numbers come on every card, ten per round in this Grade 6 game, and each answer is checked, with a hint ready.
A unit rate is the amount for one unit, here the miles for one hour. The hint shares the miles equally among the hours, which means dividing: 276 miles in 4 hours is 276 ÷ 4, or 69 miles per hour. Every trip divides with no remainder, since the speeds are whole numbers from 20 to 70, so the division itself is the whole task.
Bigger is not better here. Seeing two numbers, a child may multiply 276 by 4 and type 1,104. Ask, "Can one hour cover more than the whole four-hour trip?" A quick size check catches it. Then say, "You shared the miles out among the hours."