Button Solutions

• Assign DPP items O–R. Item O provides practice with partitioning a number into groups of ten with leftovers. Item Q provides practice with identifying odd and even numbers.
• Assign Home Practice Parts 5–6. Part 5 provides practice with subtraction using rule machines. Part 6 provides practice with grouping and counting buttons.

Math Facts. Item P provides practice with the addition facts in Group C and extends those facts to multiples of ten. Item R provides practice with using reasoning strategies to solve the addition facts in Group C.