8. At the zoo, you see a Columbian black spider monkey. The length of its body is 58.31 cm. The length of its tail is 78.96 cm. To the nearest tenth of a centimeter, estimate the total length of the monkey’s body and tail.

9. Round to the nearest tenth Add

10. A rectangular kitchen is 8.5 ft. long and 5.75 ft. wide. Use rounding to estimate the area of the kitchen in square feet.

11. Round to the nearest whole foot Multiply

13. 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.

14. +

15. +

16. + = $6

17. Compatible Numbers are numbers that are easy to compute mentally. Compatible Numbers are particularly useful to solve quotients.

18. Suppose you have saved $61.80. About how many CD’s can you buy if each costs $15.95?