One and Two less within 20: Horizontal Subtraction Worksheet

Challenge your young math wizards to solve this one and two less within 20 worksheet. Less than suggests subtraction. So students subtract the two given numbers to find the result. They explore this concept extensively in one and two less within 20 worksheet. As the worksheet uses a horizontal format, it allows for more creativity when it comes to how the student solves the problem. In contrast, in the vertical format, students usually employ the standard method to solve.