© 2007 1 -2010 tutorco.com A. Fill in the missing numbers to complete the pattern. 1. Skip-count by 3's. (Forward) 32, 35, ______, _______, ______ 2. Skip-count by 3's. (Backward) 44, 41, 38,______,_______,______ B. Write the forward counting by 5’s 1. 1745, 1750, __________ , ___________,___________ 2. 472, 477,___________,____________,___________ C. Write the backward counting by 2’s 1. 658, 656,__________,__________,____________ 2. 4772, 4770,__________,___________,___________ D. Fill in the missing number to complete the pattern (Use the concept of place value). 1. Skip-count by 10’s 1060, 1070, ____________, _______________ TOPIC: NUMBER SYSTEM 3/1/3/S© 2007 2 -2010 tutorco.com 2. Skip-count by 100’s 1278, 1378, ____________, _______________ 3. Skip Count by 50’s 650, 700,_______________,_______________ 4. Skip count by 25’s 425, 450, ____________, ______________ E. Fill in the blanks (by 2s, 3s, 5s) 48, ____ , 52, ____ , 56, ____ , 60, _____ , 64, _____ 41, _____ , 47, _____ , 53, _____ , 59, _____ , 65, ____ 33, _____ , 43, _____ , 53, _____ , 63, _____ , 73, ______