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																																										Without	Compliment-Single	Digit	Sums	 	 	 	 	
	 	 	 	
	 	 	 	 	 	 	 	 	 	
		
						2	
						1	
						1	
	
							3	
					-2	
							1	
	
							4	
							5	
					-9	
	
							6	
							2	
					-7	
	
									3	
							-3	
									9	
	
									1	
									3	
							-4	
	
									8	
							-3	
									2	
	
									5	
									2	
							-6	
	
									7	
							-5	
									6	
	
										9	
								-8	
										3	
	 	 	 	 	 	 	 	 	 	
	
								4	
						-1	
								6	
	
								7	
								2	
						-8	
	
									6	
							-5	
									3	
	
									5	
									3	
							-7	
	
									2	
									5	
							-6	
	
									3	
									5	
							-2	
	
								1	
								2	
								6	
	
									7	
							-2	
									4	
	
									1	
									8	
							-7	
	
									4	
							-2	
									6	
	 	 	 	 	 	 	 	 	 	
	
Page 2


																																										Without	Compliment-Single	Digit	Sums	 	 	 	 	
	 	 	 	
	 	 	 	 	 	 	 	 	 	
		
						2	
						1	
						1	
	
							3	
					-2	
							1	
	
							4	
							5	
					-9	
	
							6	
							2	
					-7	
	
									3	
							-3	
									9	
	
									1	
									3	
							-4	
	
									8	
							-3	
									2	
	
									5	
									2	
							-6	
	
									7	
							-5	
									6	
	
										9	
								-8	
										3	
	 	 	 	 	 	 	 	 	 	
	
								4	
						-1	
								6	
	
								7	
								2	
						-8	
	
									6	
							-5	
									3	
	
									5	
									3	
							-7	
	
									2	
									5	
							-6	
	
									3	
									5	
							-2	
	
								1	
								2	
								6	
	
									7	
							-2	
									4	
	
									1	
									8	
							-7	
	
									4	
							-2	
									6	
	 	 	 	 	 	 	 	 	 	
	
 
1 2 3 4 5 6 7 8 9 10 
4 2 0 1 9 0 7 1 8 4 
 
11 12 13 14 15 16 17 18 19 20 
9 1 4 1 1 6 9 9 2 8 
 
 
 
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FAQs on Worksheet Solutions: Addition and Subtraction- 4 (Without Compliment) - Abacus - Class 1

1. What are the basic rules for addition and subtraction in arithmetic?
Ans. The basic rules for addition and subtraction include understanding that addition combines values to get a total, while subtraction represents the removal of a value from another. When adding, you align the numbers by their rightmost digits and add each column, carrying over if necessary. In subtraction, you also align the numbers and subtract digit by digit, borrowing from the next column when needed.
2. How can I practice addition and subtraction without using complements?
Ans. To practice addition and subtraction without using complements, you can use worksheets that focus on direct addition and subtraction methods. Start with simple problems and gradually increase complexity. Use manipulatives like counters or number lines to visualize the operations, and practice with real-life scenarios, such as counting objects or estimating totals.
3. What are some common mistakes to avoid when adding and subtracting numbers?
Ans. Common mistakes include misaligning numbers by their place values, forgetting to carry over or borrow correctly, and making calculation errors in basic arithmetic. It's important to double-check your work, especially when dealing with larger numbers, and to take your time to avoid rushing through the problems.
4. How do I know when to use addition or subtraction in word problems?
Ans. In word problems, look for keywords that indicate the operation needed. Words like "total," "increased by," or "combined" suggest addition, while terms like "remaining," "difference," or "fewer" suggest subtraction. Carefully read the context of the problem to understand what is being asked.
5. Are there any tips for improving my speed and accuracy in addition and subtraction?
Ans. To improve speed and accuracy in addition and subtraction, practice regularly with timed exercises to build fluency. Break problems into smaller parts to simplify calculations, and use estimation to check the reasonableness of your answers. Additionally, memorizing basic addition and subtraction facts can significantly enhance performance.
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