Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
COMPATIBLE NUMBERS NEAR ORIGINAL NUMBERS BUT EASILY +/-/x/÷ TO ROUND DECIMAL #’S 1ST: Underline the place value 2nd: Circle the # behind 3rd: THINK5 or greater ADD 1 more, less than 5 keep it the same 4th: Drop all #’s behind the place value ADD & SUBTRACT DECIMALS: 1st: Line ‘em up 2nd: Bring it down *Annex zeros as needed VARIABLE A SYMBOL (LETTER) USED TO REPRESENT A NUMBER EQUATION A MATHEMATICAL STATEMENT THAT 2 EXPRESSIONS ARE EQUAL INVERSE OPPOSITE +=x=÷ MULTIPLY: Symbols: or x Number next to a variable DIVIDE: Symbols: ÷ or / (FRACTION BAR) DIVISIBLE CAN BE DIVIDED BY A # WITH NO REMAINDER FACTOR A WHOLE # THAT DIVIDES ANOTHER WHOLE # EVENLY PRIME NUMBER WHOLE # > 1 WHOSE ONLY FACTORS ARE 1 AND ITSELF COMPOSITE NUMBER WHOLE # > 1 THAT HAS MORE THAN 2 FACTORS PRIME FACTORIZATION WRITING A # AS A PRODUCT OF PRIME NUMBERS FACTOR TREE DIAGRAM OF A WHOLE # BROKEN INTO ITS PRIME FACTORS GREATEST COMMON FACTOR LARGEST FACTOR 2 #S HAVE IN COMMON COMMON MULTIPLE A # THAT IS A MULTIPLE OF EACH 2 GIVEN #S LEAST COMMON MULTIPLE SMALLEST COMMON MULTIPLE OF 2 #S FRACTION A # IN THE FORM A NUMERATOR B DENOMINATOR EQUIVALENT FRACTIONS REPRESENT THE SAME QUANTITY LOWEST TERMS FRACTION W/A NUMERATOR & DENOMINATOR W/A COMMON FACTOR OF 1 COMMON DENOMINATOR DENOMINATOR THE SAME IN TWO OR MORE FRACTIONS POWER MADE UP OF 2 PARTS: BASE EXPONENT 4² TERMINATING DECIMAL A decimal # that ENDS!!! EX: 1.5 REPEATING DECIMAL A decimal # that repeats a pattern of digits EX 2.313131 ... =2.31 STANDARD FORM The usual way of writing #s in contrast to scientific notation EX: 1,110,000 SCIENTIFIC NOTATION A # written as a decimal > or = to 1 and < 10, times a power of 10 EX: 1.4 x 10³ CROSS PRODUCT (CROSS MULTIPLY) WHEN COMPARING FRACTIONS WITH UNLIKE DENOMINATORS, THE PRODUCT OF A NUMERATOR ON ONE SIDE WITH THE DENOMINATOR ON THE OTHER