The Psychology of Arithmetic

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Macmillan, 1922 - Arithmetic - 314 pages

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Page 61 - Multiplication is the process of taking one number as many times as there are units in another.
Page 42 - Solve as many of the following problems as you have time for; work them in order as numbered : 1. If you buy 2 tablets at 7 cents each and a book for 65 cents, how much change should you receive from a two-dollar bill?
Page 42 - How many pencils can you buy for 50 cents at the rate of 2 for 5 cents? 5. The uniforms for a baseball nine cost $2.50 each. The shoes cost $2 a pair. What was the total cost of uniforms and shoes for the nine?
Page 42 - A girl spent one-eighth of her money for car fare, and three times as much for clothes. Half of what she had left was 80 cents. How much money did she have at first?
Page 45 - STEP 13 (12.9) A school in a certain city used 2516 pieces of chalk in 37 school days. Three new rooms were opened, each room holding 50 children, and the school was then found to use 84 sticks of chalk per day. How many more sticks of chalk were used per day than at first? Answer. STEP 14 (14.2) A girl spent V& of her mony for car fare, and three times as much for clothes.
Page 35 - You will be given eight minutes to find the answers to as many of these addition examples as possible. Write the answers on this paper directly underneath the examples. You are not expected to be able to do them all. You will be marked for both speed and accuracy, but it is more important to have your answers right than to try a great many examples.
Page 132 - How much practice should be given to arithmetic ? How should it be divided among the different bonds to be formed ? Below a certain amount there is waste because the pupil will need more time to detect and correct his errors than would have been required to give him mastery. Above a certain amount there is waste because of unproductive...
Page 171 - The third means used to facilitate analysis is having the learner respond to situations which, pair by pair, present the element in a certain context and present that same context with the opposite of the element in question, or with something at least very unlike the element.
Page 45 - In the blank space below, work as many of the following examples as possible in the time allowed. Work them in order as numbered, entering each answer in the "answer" column before commencing a new example.
Page 43 - Do not work the following examples. Read each example through, make up your mind what operation you would use if you were going to work it, then write the name of the operation selected in the blank space after the example. Use the following abbreviations: Add.

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