1-6 grade math ten calculation problems every day

Practice in mathematical calculation makes perfect. You can't leave it alone for a long time, just ten times a day. The key is persistence, and persistence is victory!

Grade one: add or subtract within ten.

Level 2: Add two digits and add two digits within 100.

Grade Three: Addition of Three Numbers and Three Numbers

Fourth grade: decimal addition and subtraction

Grade 5: decimal multiplication within 10

Sixth grade: decimal conversion percentage

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