Level Level 5
Balance Equations: Addition/Subtraction (up to 20) Level 2
True Subtraction Sentences: Up to 18 Level 2
Balance Subtraction Equations: Up to 18 Level 2
Order: up to 100 Level 2
Estimate Differences: Compatible Numbers Level 5
Estimate Sums: Compatible Numbers Level 5
Approximate: Structured Format, Ten/Hundred Level 5
