Practice is more effective when we space it out, rather than doing lots of repetitions all at once. We read research that looked at the effect of varied practice compared to identical practice over time. Their results show subtle variation helps students focus and remember the important elements upon recall.Later, we read an account of the negative impacts of graded math homework disproportionately affecting mothers in Canada. We see how homework takes away from family time and undermines the development of math identities.