What is 1000 - 347?
What is 1000 - 347?
Approach: Subtract from left to right or use 9-9-10 rule.
653. 9-3=6, 9-4=5, 10-7=3.
Follow-up: What is 1000 - 821?
Key concepts: subtraction from powers of 10.
What is 1000 - 347?
Approach: Subtract from left to right or use 9-9-10 rule.
653. 9-3=6, 9-4=5, 10-7=3.
Follow-up: What is 1000 - 821?
Key concepts: subtraction from powers of 10.