1. Arrange the numbers from the greatest to smallest. 390  234  445, 445, 390, 234, 2. Which number is greater 645 or 670?, 670, 3. 272 + 179 =, 451, 4. 648 – 319 =, 329, 5. In 635 The value of the digit 6 is, 600, 6. Which number is smaller 234 or 546?, 234, 7. Which is the smallest number? 508 943  927, 508, 8. 375 + 125 =, 500, 9. Min made 28 sandwiches. 12 of them are egg sandwiches and the rest are cheese sandwiches. How many cheese sandwiches did she make?, 28 -12 =16, 10. There are 27 boys and 16 girls in the primary 2 class. How many students in the primary 2 class?, 27 + 16 = 43, 11. A sweet weighs 6 grams. What is the mass of 3 such sweets?, 6 x 3 = 18, 12. A fruit seller has 505 apples. He sells 226 apples. How many apples does he have left?, 505 - 226 = 279.

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