1.Use front-end estimation to estimate each sum.

a. 5.43 + 2.67

b. 7.18 + 5.89

c. 24.21 + 16.03

2. Use compatible numbers to estimate each quotient.

a. 76.5 8.8

b. 27.363.14

c.32.2 7.56

3. Use mental math to find each sum.

24.4 + (5.6+11)

4.Estimate. Then find each product.

a. 0.4 x 0.6

b. 1.02 x 3.6

c. 1.45 x 2.6

5. Mental Math Find each product.

a. 0.2 * 3.41 * 5

b. (2.3 * 0.5) * 4

c. 0 * 2.78 * 1