Multiply and divide by 10, 100 and 1000
Name: _____________________ Date: __________
Show your thinking with numbers, words, or a drawing.
1. 521 × 100 = ?
2. 41800 ÷ 100 = ?
3. 774 × 100 = ?
4. 6980 ÷ 10 = ?
5. 851 × 10 = ?
Answer key · Multiply and divide by 10, 100 and 1000
1. 52100
Multiplying by 100 makes the number 100 times bigger, so every digit moves 2 places to the left.
521 × 100 = 52100.
2. 418
Dividing by 100 makes the number 100 times smaller, so every digit moves 2 places to the right.
41800 ÷ 100 = 418.
3. 77400
Multiplying by 100 makes the number 100 times bigger, so every digit moves 2 places to the left.
774 × 100 = 77400.
4. 698
Dividing by 10 makes the number 10 times smaller, so every digit moves 1 place to the right.
6980 ÷ 10 = 698.
5. 8510
Multiplying by 10 makes the number 10 times bigger, so every digit moves 1 place to the left.
851 × 10 = 8510.
Try it together
Bundle ten counters into a group and leave a few loose. Ask your child to write the number, then swap ten loose counters for one bundle.