1. Write these numbers in figures and then put them in order from smallest to largest. a. Two hundred and fifty-three thousand, four hundred and nineteen.

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Presentation transcript:

1. Write these numbers in figures and then put them in order from smallest to largest. a. Two hundred and fifty-three thousand, four hundred and nineteen b. Nine hundred and four thousand, five hundred and sixty-eight c. Seven hundred and forty-eight thousand, three hundred and fifteen 2. a. 23 ÷ 100 =b x 1000 =c. 23 ÷ 100 = d. 3.2 x 100 =e ÷ 1000 = f x 100 = 3. Divide these numbers. Decide whether to use short or long division. a ÷ 6 =b. 345 ÷ 26 = c. 984 ÷ 32 =d ÷ 9 =

4. Multiply these numbers. a. 35 x 42 =b. 67 x 83 =c. 235 x 97 = 5. Write these fractions in their simplest form. a. 9b. 6c. 12d. 15e. 20f. 36g Convert these improper fraction to mixed numbers. a. 18b. 25c. 17d. 37e. 57f

7. a. 3 of 36b. 4 of 35c. 7 of 63d. 9 of e. 9 of 84f. 12 of 60g. 14 of 150h. 23 of Write the lowest common multiples of these numbers. a. 2 and 3b. 6 and 8c. 2 and 5d. 3 and 12 e. 4 and 6f. 8 and 12g. 3, 6 and 15h. 4, 7 and Write the highest common factors of these numbers. a. 34 and 40b. 50 and 35c. 72 and 60d. 120 and What is a prime number? 10. Write all the prime numbers to 20.