What this lesson shows
Does the question need about how much, or exactly how much? Whether $20 is enough for 3 books near $6 each needs an estimate; the price to pay needs the exact total.
The worked example
The lesson works this one step by step: $20, books at $5.95, $6.10, $5.80: enough. Then your kid tries one like it on paper.
The steps
- Read the question
- Enough, or about? Estimate
- Pay, or change? Exact
- Say why
Helping at home
Read the question before working. "Is it enough?" and "about how much?" need only an estimate. "How much to pay?" and "how much change?" need the exact answer. Ask your child to say why.
If your kid gets stuck
What does the question need to know?
Watch it with Lux
With Lux, this lesson is a narrated video and a printed page your kid works on. Then Lux helps with the same math on their own worksheet, one question at a time.