- 183, 203, 223, 243, 263, 283, 303 | Pattern: Add 20
- 257, 267, 277, 287, 297, 307, 317 | Pattern: Add 10
- 145, 160, 175, 190, 205, 220, 235 | Pattern: Add 15
- 287, 297, 307, 322, 337, 352, 367, 382, 407 | Pattern: Add 10, then add 15 (alternating)
- 181, 221, 261, 301, 341, 381, 421 | Pattern: Add 40
- 250, 265, 280, 295, 310, 325, 340 | Pattern: Add 15
- 222, 242, 262, 282, 302, 322, 342 | Pattern: Add 20
- 272, 292, 312, 342, 372, 402, 432 | Pattern: Add 20, then add 30 (alternating)
- 123, 173, 223, 273, 323, 373, 423 | Pattern: Add 50
- 350, 375, 400, 475, 550, 625, 700 | Pattern: Add 25, then add 75 (alternating)
- 180, 240, 300, 360, 420, 480, 540 | Pattern: Add 60
- 205, 235, 265, 320, 375, 430, 485 | Pattern: Add 30, then add 55 (alternating)
Parent Tip: Review the logic above to help your child master the concept of 3rd grade math number pattern worksheet.
