a) 83 × 10 = ……..

b) 710 × 100 = …………

c) 6 200 × 1 000 = ………..

a) 83 × 10 = 830

b) 710 × 100 =71 000

c) 6 200 × 1000 = 6 200 000

a) 1 m² = ……………dm²

24 m² = ……………dm²

500 dm² =………….m²

b) 1 m² = ……………cm²

892 m² = ………….cm²

300 000 cm² = ……………m²

a) 1 m² = 100 dm²

24 m² = 2400 dm²

500 dm² = 5 m²

b) 1 m² = 10 000 cm²

892 m² = 8 920 000 cm²

300 000 cm² = 30 m²

a) 812 × 40

6 320 × 70

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b) 816 × 42

2 970 × 38

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