All of them scored low on the state’s STAAR math test last spring and this school year were enrolled in an intervention course—“math lab”—that meets Mondays, Wednesdays, and some Fridays to supplement ...
When you multiply by 1 the answer stays the same. 21 × 1 = 21 When you multiply by 10, move all the digits one place to the left, putting a zero in the empty space. 21 × 10 = 210 When you ...