Investigates the inverse relationship between addition and subtraction. Students act as 'researchers' to see how the same three numbers can form four different related equations.
A week-long series of activities focused on identifying math operations in word problems, counting mixed coins, and determining if a purchase is affordable within a budget. Includes a teacher guide, graphic organizers, and practice worksheets themed around a neighborhood corner store.
A lesson focused on comparing quantities and numbers up to 15 using visual representations and numerical values. Students will practice identifying sets with more or fewer items and comparing numerals directly.
Final review and assessment of numeral ID and counting sequences.
Fluency focus on backward sequences across the full 0-120 range.
Advanced number line navigation and relative position (0-120).
Finding missing numbers in various sequences (FNS/BNS).
Mastery of the 100-120 range (the "Peak").
Backward sequences from 100 down to 50.
Forward sequences and numeral identification for numbers 50-100.
Placing and identifying numbers on an open number line (0-50).
Backward sequences across decades (50 down to 20).
Mastering transitions between decades from 20 to 50.
Intensive focus on backward number sequences from 20 down to 10.