ABACUSAges 5–8MEDIUM
Step 6: Level 1 Subtraction Know How
Animated single-digit subtraction on one Ones rod, with no borrowing.
Aligned Curriculums:CBSE: Class-1 (MATH.ABX.06)ICSE: Class-1NEP: Cognitive (C-1.2)CCSS: 1.OA.C.6, 1.NBT.C.4
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