Page 21 - 新思维数学活动用书4 样章
P. 21
1 Numbers and the number system
12 Use the clues to solve the crossword.
1
2 3
4
5
6
Across
2. The digit in the ones place in the number 742 793.
5. Seven groups of ten.
6. The digit in the ten thousands place in 842 793.
Down
1. The name for 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9.
3. The digit in the hundred thousands place in the number 814 682.
4. This digit is used to hold an empty place in a number.
13 Fill in the missing numbers.
a 358 × 100 = b 3000 ÷ 100 =
c 29 × = 2900 d 2700 ÷ = 27
e ÷ 100 = 3040
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