| Winners list: |  | Нюся | 84 seconds | | Нюся | 85 seconds | | Нюся | 83 seconds | | Танюша🌽 | 77 seconds | | Танюша🌽 | 77 seconds | | Таня🦋🌹 | 75 seconds | | Нюся | 83 seconds | | Нюся | 83 seconds | | Таня🌽 | 77 seconds |
| Test: Adding and subtracting up to 1000| 1) | | 2) | | 3) | | | 4) | | 5) | | 6) | | | 7) | | 8) | | 9) | | | 10) | | 11) | | 12) | | | 13) | | 14) | | 15) | | | 16) | | 17) | | 18) | |
| Learning-Adding and subtracting up to one thousand |
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