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Number Sense Worksheet 1 My number is : 423 673 is 250 more than my number. There is a 4 in the hundreds place. 211 ½ is half of my number. 3 times my number is 1,269. If I round my number to the nearest tens place, I will get 420. 3 numbers, that added up, equal my number are 150 + 210 + 60 Four hundred twenty three is my number in expanded form. I can write my number many different ways. Here are 4 ways to write my number. 1. 400 + 20 + 3 2. 42 tens and 3 ones 3. 423 ones 4. 4 hundreds + 2 tens + 3 ones If I add all of the digits together, I will get 9. Number Sense Worksheet 2 This special number is 1,002. Fill in the answers to the questions below using this number. If you subtract _________ from this number, you will get 600. This number is ___________. (odd or even) You can add many numbers together to get this number. If you add these 3 numbers, you will bet 1,002. ________ + ________ + ________ = 1,002 Twice this number is _______________. This number has ______ tens in it . Write this number in expanded form. There are _____ digits in this number. Another way to write this number is : If you divide this number by 3, you will get _________________. Number Sense Worksheet 3 Solve for the secret mystery number. This 3 digit number is odd. All of the numbers in the digits are odd and all 3 are different numbers. There are 17 tens in this number. 4 times this number is 692. The total of the digits is 11. Another way to write this number is 100 + 70 + 3. What is this secret number?