Using Estimation Strategies COURSE 2 LESSON 1-1 At the zoo, you see a Colombian 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. 78.96 + 58.31 79.0 + 58.3 Round to the nearest tenth. 137.3 Add. The total length is about 137.3 cm. 1-1

Using Estimation Strategies COURSE 2 LESSON 1-1 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. 8.5 9 5.75 6 Round each factor to the nearest whole number. 9  6 = 54 Multiply. The area of the kitchen is about 54 ft2. 1-1