Powerful Whole Brain Learning

Click here to see a sample solution page for Level 1.

- 1. Kathy's plant grew the same amount in January and February. In March, it grew 3 inches. If the plant grew a total of 13 inches during these three months, how much did it grow during each of the other months? (Page 8/7)
- 2. Heather can buy 4 pizzas for the same price as 2 pizzas and 8 one-dollar drinks. How much does each pizza cost? (Page 9/16)
- 3. Celeste is 12 years older than Rosa. In four years, she will be twice as old as Rosa will be then. How old is each now? (Page 58/17)
- 4. Charlene has a container 1/2 filled with pennies. She realizes that if she adds 12 pennies to the container, it will then be 2/3 filled. How many pennies does the container hold? (Page 77/18)
- 5. The average speed of an express train is 14 miles per hour more than 1/3 the speed of a freight train. In two hours the express train travels the same distance as the freight train in three hours. Find the average speed of each train. (Page 102/18)

Click here to see a sample solution page for Level 2.

- 1. The sum of two numbers is 10. Twice the first, increased by the second number, is 18. Find the two numbers. (Page 27/18)
- 2. Jim has two lists of three consecutive even numbers. The sum of the first number on each list is 10. If twice the second number on the first list has the same value as the first number on the second list, what are the two sets of consecutive even numbers? (Page 43/18)
- 3. If Jim's age is added to Sandra's age, the sum is 18. If twice Jim's age is subtracted from Sandra's age, the difference is 3. How old is each? (Page 68/22)
- 4. Charlotte has a total of 18 coins consisting of dimes and nickels. If the number of nickels is 12 more than the number of dimes, how many of each coin does she have? (Page 92/28)
- 5. Bobby can paddle a canoe at 3 miles per hour. For 1 hour, Bobby paddles with the current and travels 4 miles further then when paddling back against the current for one hour. What is the canoe's speed when it travels with the current? (Page 104/29)

Click here to see a sample solution page for Level 3.

- 1. When a number decreased by 4 is doubled, the result is the same as the number increased by 6. Find the number. (Page 28/25)
- 2. Charlotte has two lists of consecutive odd numbers. The sum of the first number on each list is 10. When the 4th number on the 1st list is doubled and then subtracted from the first number on the second list, the result is the same as the second number from the first list, decreased by 14. Find the two sets of numbers. (Page 44/28)
- 3. Ten years ago, Marlene was 6 years older than 1/3 of her present age. How old is she now? (Page 60/30)
- 4. Two-thirds of a collection of 90 coins consists of nickels. Of the remaining coins, the number of dimes is 10 more than 1/3 the number of quarters. How many of each type of coin is in the collection? (Page 78/24)
- 5. A private plane flying for two hours meets a headwind that reduces its speed by 20 miles per hour. If it took the plane a total of 5 hours to travel 440 miles, find the speed of the plane prior to meeting the headwind. (Page 106/40)