The Anderson Arithmetic Volume 2 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1921 Excerpt: ...In how much less than 6 minutes can you find the products to any 9 of the following 16 examples? Check. Multiply each of the following by 276; by 348; by 205; by 978; by 809. 4. 2456 5. 3789 6. 7935 7. 8642 8. 5684 9. 9763 10. 8009 11. 7056 Square. The product obtained by taking a number twice as a factor is called the square of the number. Thus, the square of 2 is 4, as 2X2 = 4. 2X2 may be written 22, and is read 2 squared. Cube. The product obtained by taking a number three times as a factor is called the cube of the number. The cube of 2 is 8, as 2X2X2 =8. 2X2X2 may be written 23, and is read 2 cubed. FINDING SQUARES AND CUBES AND USING SPECIAL MULTIPLIERS 1. Name at sight the answer to each of the following: l2 22 32 42 52 62 72 82 92 23 33 l3 43 2. Write the squares of all numbers from 10 to 25 inclusive. Try to learn them all by to-morrow. 3. Write the cubes of all numbers from 5 to 10 inclusive. 4. Multiply at sight each of the following by 10; by 100; by 1000: 7 20 25 50 100 250 '750 875 5. Multiply at sight each of the following by 20; by 30; by 40; by 50: 6 4 9 8 10 30 20 40 50 70 DIVISION--ACCURACY AND SPEED TESTS Name the quotients and remainders in the following; for 1, a, say: quotient 7, remainder 2. abcdefgh i 1. 8)58 6)33 7)30 5)28 5)12 9)15 8)30 8)62 7)60 2. 7)36 6)40 9)84 8)50 5)18 7)12 8)36 6)15 8)22 3. 6)45 8)66 5)42 6)10 8)26 9)40 7)40 6)50 9)75 4. 8)38 7)6.5 5)32 5)9 6)20 8)52 9)33 8)42 6)56 5. 9)48 5)48 9)57 8)54 6)28 8)28 9)24 8)60 5)24 6. 8)34 5)38 7)25 8)12 7)15 8)46 8)75 8)55 9)66 Instead of naming the quotients and remainders in examples 1-6, name the complete quotients. For 1, a, say 7l-v Be sure that the fractional part of each answer is in lowest terms. In how much less than 8 minutes can you find the quotients to any 9 of th...