Across
- 2. six hundred forty-five
- 4. 1 ten-thousand, 8 thousands, 3 hundreds, 9 tens, 8 ones
- 5. (8 x 1000)+(7 x 100)+(4 x 10)+(2 x 1)
Down
- 1. 1 in the tens place, 5 in the hundreds place, 8 in the thousands place, 2 in the ones place
- 3. The sum of 5 tens and 9 ones