Kaylee just got a babysitting job. She will work about 10 hours each week and make $9 an hour. Her parents say she needs to save half, but she can spend the other half.
Kaylee says she'll have around $50 of spending money each week. Which expression can you use to estimate whether her answer is reasonable?
10
×
10
÷
2
10
×
10
×
2
Is Kaylee's answer reasonable? How do you know?
Yes, because the value of the expression I picked is 50.
No, because the value of the expression I picked is 25. Kaylee's answer is much too high.
No, because the value of the expression I picked is 200. Kaylee's answer is much too low.
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