Math practice · Week 4 · Tuesday
I can count by 10s and 100s from any number.
Look: start at 348
- Add 10: 358, 368. The tens digit goes up.
- Add 100: 448, 548. The hundreds digit goes up.
- From 398, add 10 to get 408. 10 tens trade for a hundred.
Count by 10s.
- 285, 295, ____, ____, ____Answer: 305, 315, 325
- 641, 651, ____, ____, ____Answer: 661, 671, 681
- Count back: 432, 422, ____, ____, ____Answer: 412, 402, 392
Count by 100s.
- 127, 227, ____, ____, ____Answer: 327, 427, 527
- 309, 409, ____, ____, ____Answer: 509, 609, 709
- Kim has 156 stickers. She gets 10 more each day for 3 days. How many stickers does she have now?Answer: 186
Challenge
- Count by 10s from 294 to 304. Which digits change? Why?Answer: The tens go from 9 to 0 and the hundreds go from 2 to 3, because 10 tens make a hundred.
Second Grade · Week 4 · Tuesday · secondgrade.com