Use a strategy you have learned.- Mike, Bob, and Jeff are 12, 13,
and 14 years old. Jeff is the
youngest and does not have
blond hair. Bob is not the oldest
and has brown hair. Mike does
not have red hair. How old is
each boy? Who has blond hair?
17. Maria went to the grocery
store. She bought items that
cost $ 3.09, $ 1.39, $ .20, and
$ 4.15. Did Maria pay more
than $ 10 for the items? Explain
how you can use rounding to
estimate to find the answer.
Add. Name the addition property or strategy you used.- 5 9 2. 0 7 3. 9 8 4. 7 1 7 3
Find the sum or difference. Then check.- 172 6. 1583 7. $42.63 8. $ 58.49
205 112 5.12 $22.41
222 1204 .14
Round to estimate.- 846 10. 497 11. $24.98 12. $32.71
230 443 $23.05 46.28
Find the value of the variable.- 5 x 13 14. n 9 8 15. 16 y 8
Write a problem to match the expression.- 9 n 19. 17 x
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