Åk 6–9

English
2.8 Exercises – Different Number
1. Which different numbers can you build from the digits 2, 3, and 7 if every digit can only be used once and the number should consist of:
 a) One digit b) Two digits c) Three digits 2. Odd and Even Numbers
 a) Which of the following numbers are even? 8, 19, 306, 30, 2,989, 29, 28, 2,006, 285, 114,  51,370 b) What is the largest even number that is less than 100? c) Which of the following numbers are odd? 6, 27, 456, 123, 3,198, 6,009, 9, 804, 811, 2,483 d) How many odd numbers are greater than 50 but less than 60?  Which ones are they? 3. Place Value
 a) What is the tens digit in the number 257? b) What is the hundreds digit in the number 15,098? c) What is the thousands digit in the number 221,789? d) What is the hundred digit in the number 432,521? e) What place value does the digit 2 have in the number 328? f) What place value does the digit 5 have in the number 32,583? g) What place value does the digit 8 have in the number 281,619? h) What will the number be if the digit 4 changes places with the digit 3 in the number 934? i) What will the number be if the digit 7 changes places with the digit 9 in the number 37,592? j) What will the number be if the digit 4 changes places with the digit 6 in the number 471,886? 4. Base-ten form
 Write the sums as whole numbers: Ex. 4,000 + 300 + 70 + 8 Answer: 4,378 a) 700 + 6 + 1,000 + 50 b) 9 + 50,000 + 20 c) 80,000 + 1 + 700,000  + 20 + 400 Write the numbers in base-ten form: d) 2,006 e) 10,955 f) 418,320 5. Writing numbers
 Write the numbers in words: a) 3,506 b) 70,089 c) 2,059,108 Write in numbers: d) Thiry nine thousand fifty e) Seven hundred seventy seven thousand f) One million one hundred thousand five hundred g) Four thousand ninety nine h) Six million seven hundred two