# Step 3

Difficulty 3

 1 Round to 2 significant figures: 265.31 3.07 0.00513 2 Round to 2 significant figures: 136.25 3.064 0.00155 3 Round to 2 significant figures: 456.36 5.06 0.00463 4 Round to 3 significant figures: 145.369 5.0751 0.02586 5 Order! Order! 3 dec places - Smallest number first 6 Order! Order! 6 dec places - Smallest number first 7 Order! Order! 5 dec places - Largest number first 8 Changing Numbers: 21.453x10, +10.001, -1.1 x 0.1 9 Changing Numbers: 947.01÷0.01, +0.01, -0.01, x0.01 10 Number Detectives: ab= 126 a+b= 25 11 Number Detectives: LCM of 25 & 30 12 Expanded notation: 4 295.668 13 See You Round: Round 3.0599 to 1, 2, 3 dec. places 14 See You Round: Round 8.0697 to 1, 2, 3 dec places 15 See You Round: Round 30.0998 to 1, 2, 3 dec places 16 See you Round: Round 99.982 to whole no, 1 dp, 2dps 17 See You Round: Round 37.5981 to 1, 2, 3 dec places 18 See You Round: Round 100.5691 to 1, 2, 3 dec places 19 Find the Power: Write numbers as powers of 10 20 Find the Power: Write numbers as powers of 10 21 Going Up: Ordering numbers with index notation 22 Going Up: Ordering numbers with index notation 23 Going Up: Ordering numbers with index notation 24 Going Down: Ordering numbers with index notation 25 Scientific Notation: Write 0.0008542cm as (mm) in Standard form 26 Scientific Notation: Write 325 750 000 in Standard Form 27 Significantly Speaking: 5.698 to 1, 2, 3 significant figures 28 Significantly Speaking: 3.9827 to 1, 2, 3 significant figures 29 Bamboozled!: Write 3.112x10[-5] in decimal form 30 When in Rome: Convert DCXVII 31 When in Rome: Convert LXXXIV 32 When in Rome: Convert MCMXXXII 33 Going Up: Ordering indexed numbers 34 Going Down: Ordering indexed numbers 35 Going Up: Ordering indexed numbers 36 Significantly Speaking: 65.258 to 1, 2, 3 significant figures 37 Significantly Speaking: 6.3944 to 1, 2, 3 significant figures 38 When in Rome: Convert DCXCIX 39 Binary Form: Write 0111001 in Base Ten form 40 Binary Form: Write 0111100 in Base Ten form 41 Binary Form: Write 99 in binary form 42 Binary Form: Write 19 in binary form 43 Binary Form: Write 50 in binary form 44 Binary Form: Write 0000111 in Base Ten form 45 Pickin' the Pattern: 1, 2, 5, 14, 41, *, *