GLOBAL.SPEED
Mental Math & Speed Arithmetic
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Mental Math & Speed Arithmetic
Mastery Path
Expand the modules below to view the complete 24+ concepts syllabus.
1
Develop instant subitizing, mental number line manipulation, and base-10 complements to eliminate finger-counting forever.
Instant Subitizing & Dot Matrix PatternsBase-10 Complements (Making 10 Pairs: 1+9, 2+8, 3+7)Base-20 & Base-100 ComplementsNikhilam Sutra Intro (All from 9 and Last from 10)Doubles and Near-Doubles Strategy (e.g., 7+8 as 7+7+1)Bridging Through 10 (e.g., 8+5 as 8+2+3)Left-to-Right Single-Digit AdditionSubtracting by Adding Up (Cashier's Difference Method)Skip Counting Cadence (2s, 3s, 4s, 5s, 10s)Mental Fact Families & Inverse Triangle Arithmetic
Classes & Projects in this Grade
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Ten-Frame Blitz
Interactive game recognizing groupings without counting.
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Complement Catch
Rapid-fire paired matching to reach sums of 10 and 100.
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Cashier Change Race
Calculate register change by counting forward.
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