# Step 4

Difficulty 4

 1 Space Shuffle: Find the pattern 2 Round to 2 decimal places: 653.289 583.369 453.971 3 Round to 2 decimal places: 201.999 423.199 958.824 4 Round to 2 decimal places: 957.399 453.299 467.499 5 Space Shuffle: Find the pattern 6 Round to nearest 10 000: 6 479 503 1 348 902 913 976 7 Round to nearest 100 000: 891 403 150 002 3 047 909 8 Round to nearest tenth: 120.45 351.93 86.88 9 Round to nearest whole number: 498.94 66.498 1090.9 10 Round to nearest 10 000: 42 369 25 789 35 987 11 Round to nearest 10 000: 86 258 44 258 36 258 12 Round to nearest 100 000: 102 366 948 100 635 222 13 Round to nearest 100 000: 258 563 367 159 583 147 14 Round to nearest 10 000: 36 028 12 963 64 287 15 Round to nearest 100 000: 7 258 058 8 369 258 5 439 358 16 Round to nearest 100 000: 5 561 778 8 189 632 3 486 982 17 About Half: 5 750 500 5 112 098 771 597 1 190 785 18 About Half: 2 258 147 1258.36 202 250 820 258 19 About Half: 209.42 29.42 94.24 290.81 20 Space Shuffle: Find the pattern 21 Space Shuffle: Find the pattern 22 Space Shuffle: Find the pattern 23 Space Shuffle: Find the pattern 24 A Matter of Factors: Factors of 96 25 A Matter of Factors: Factors of 30 26 A Matter of Factors: Factors of 40 27 Changing Numbers: 453x10, +1000, +1, ÷ 0.1 28 Changing Numbers: 61.36 x10, x 0.1, +10.01, ÷0.01 29 Changing Numbers: 58.32 x 100, + 10.1, - 0.01, ÷10 30 Prime Time: Prime numbers 31 Prime Time: Prime numbers 32 Prime Time: Prime numbers 33 Number Detectives: Prime a + prime b=15 34 Number Detectives: b-a=8, ab=20 35 Number Detectives: a+b=19, ab=84 36 Number Detectives: a+b=13, ab=42 37 Number Detectives: a+b=12, ab=32 38 Number Detectives: LCM of 6 & 8 39 Number Detectives: HCF of 18 and 24 40 Factor Facts: Common Factors of 36 & 120 41 Factor Facts: Common Factors of 45 & 120 42 Factor Facts: Common Factors of 96 & 120