Using Estimation Strategies

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Using Estimation Strategies
COURSE 2 LESSON 1-1
At a snack shop, you order a taco that costs
3.79, a juice that costs .89, and a yogurt that
costs 1.39. Estimate the total cost of your
order.
Step 1 Add the front-end digits.
Step 2 Estimate the total number of cents to
the nearest dollar.
The total cost is about 6.
Check Round to the nearest whole dollar 4 1
1 6. The answer checks.
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2
Using Estimation Strategies
COURSE 2 LESSON 1-1
Suppose you have saved 61.80. About how many
CDs can you buy if each costs 15.95?
You can buy about 4 CDs.
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3
Using Estimation Strategies
COURSE 2 LESSON 1-1
Use rounding to estimate to the nearest
tenth. 1. 5.75 1.34 2. 64.54 30.19 Use
front-end estimation or compatible numbers to
estimate. 3. 31.28 3.05 4. 59.63 9.84
about 7.1
about 34.3
about 34
about 6
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