| Management number | 237148910 | Release Date | 2026/07/10 | List Price | US$3.85 | Model Number | 237148910 | ||
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60 questions. One timer. Go! Introducing MENTAL MATHS NINJA - the speed-training workbook that turns children into lightning-fast mental calculators! With 60 problems per page and a stopwatch format, this book is unlike any standard maths workbook. WHY MENTAL MATHS NINJA WORKS:60 questions per page - 3× more practice than a standard maths bookStopwatch format - start time, finish time and personal best tracked every page8 speed levels - from +/- within 20 to the all-operations Grand Ninja TestBeats screen time - 5-minute daily sessions show measurable improvement fastFull answer key included - instant scoring for parents and teachers 8 SPEED LEVELS:L1: + within 20 → L2: - within 20 → L3: × tables 2-5 → L4: ÷ tables 2-5 → L5: + within 100 → L6: - within 100 → L7: × tables 6-12 → L8: Grand Ninja Test TARGET: 60 correct in under 3 minutes!Part of the Math Wizards Series - Vol.1 through Vol.16 available.## CATEGORIESPrimary: Books > Children's Books > Education & Reference > MathSecondary: Books > Education & Teaching > Schools & Teaching > Homeschooling## BACKEND SEARCH TERMSRow 1: mental math workbook kids grade 2 3 4 5 6 mental maths speed test children ages 7 8 9 10 11 12 timed drillsRow 2: mental math practice worksheet kids homeschool speed math workbook timed exercises mental arithmetic childrenRow 3: math speed test book kids 60 questions daily mental math practice grades 2-6 fluency workbook elementary schoolRow 4: gift math kids school supply teacher homeschool mental math ninja book math wizard series vol 15 Read more
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