Learning Different Ways to Add Multiples of Tens to Two-Digit Numbers
Wednesday, December 2, 2015
| By Caitlin Alexander
| 90 views
First-graders added multiples of tens to two-digit numbers by dropping down on a 100 square, counting on a number line, using base 10 and place value, adding the tens and adding the ones. We also practiced finding one more, one less, 10 more and 10 less!
