NUMBER SENSE TEST STUDY GUIDE Test on: Wednesday, October 7th Be able to compute exponents with various bases, including 10. Ex. 3³ = 3 3 3= ____ 10³ = 10 10 10 = _________ Be able to write a base 10 numeral as an exponent. Ex. 10,000 = _______ Be able to read and write numbers through the billions period in: Standard form, expanded form, word form, short word form, expanded notation and exponential notation. Be able to identify the value, place value, and period for a digit. Example: 4,302,529,871 What is the VALUE of the 5? ________________ What is the PLACE VALUE of the 3? ____________________ What is the PERIOD of the 8? ______________ Be able to determine ten-to–one relationships Example: How many 100s are in 1,000,000? _________ Be able to compare and order numbers through the billions period: Use the symbols <, > , and = to compare. Also be able to name the word that these symbols, as well as ≠ and ≈ represent. Ex. 73,902 _____ 79,203 94,328 ______ 9,438 List numbers up to the hundred billions in order from least to greatest and greatest to least Be able to round numbers up through the billions period: Applying rounding rules Rolling 9s Ex. Round to the nearest: million: 954,602,728 ________________ ten thousand: 689,996,017 _____________________ Be able to determine if a number is an overestimate or an underestimate and explain why. Be able to list the: 6 Smallest numbers from a set of 6 digits 6 Largest numbers from a set of 6 digits Be able to: Locate negative integers on a number line Order and compare integers o -25 ____ -28 o 2 _____ -1 Be able to identify the following symbols: (on Number Sense Vocab Sheet) o > ________________ o < ________________ o = ________________ o ≠ ________________