Name:    Lesson 11: Using Mental Math

1.

Use mental math to add.
\$10.99 + \$7.01
 a. \$17.00 b. \$18.00 c. \$19.00 d. \$20.00

2.

Use mental math to add.
\$13.49 + \$12. 51
 a. \$24.00 b. \$25.00 c. \$26.00 d. \$27.00

3.

Use mental math to add.
\$35.00 + \$32.75
 a. \$57.75 b. \$67.75 c. \$77.75 d. \$8775

4.

Use mental math to subtract.
\$35.00 - \$32.80
 a. \$2.20 b. \$5.80 c. \$2.80 d. \$4.20

5.

Use mental math to subtract.
\$7.99 - \$4.99
 a. \$2.00 b. \$3.00 c. \$4.00 d. \$5.00

6.

Use mental math to subtract.
\$15.00 - \$13.45
 a. \$1.45 b. \$2.45 c. \$1.55 d. \$2.55

7.

Andrea spent \$5.60 on socks and \$39.50 on a shirt. How much money did Andrea spend altogether?
 a. \$45.00 b. \$45.05 c. \$45.10 d. \$45.20

8.

If Andrea paid with a \$50.00 bill, how much change did she get back?
 a. \$5.00 b. \$5.10 c. \$4.00 d. \$4.90

9.

Fred had a \$20.00 gift certificate to spend at the Snack Shop. How much will it cost Fred if he bought a hotdog for \$2.99 and a pop for \$1.25?
 a. \$4.00 b. \$4.24 c. \$5.00 d. \$5.24

10.

How much change will Fred get back if he used his gift certificate?
 a. \$15.76 b. \$15.00 c. \$16.26 d. \$16.00