Maths Salamander Add And Subtract Negative Numbers

1 5 -3 21 3 -4 2 5 -3 22 -4 5 3 2 -4 23 -6 5. Numbers below zero are called negative numbers.

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SUBTRACTING NEGATIVE NUMBERS SHEET 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 A Use the number line above to help you answer these questions.

Maths salamander add and subtract negative numbers. Remember that two plus signs or two minus signs make a positive. Numbers above zero are called whole numbers. ADD SUBTRACT NEGATIVE NUMBERS SHEET 3 ANSWERS A Answer these questions.

There are rules you can use if adding subtracting multiplying or dividing positive and negative numbers. Subtracting A Negative Number. ADD SUBTRACT NEGATIVE NUMBERS SHEET 1 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 Use the number line above to help you work out these addition and subtraction questions.

Eventually we want students to read the calculation as Four add negative two subtract positive five subtract negative one add positive seven or replacing the operation words addsubtract with plusminus but always insisting on positive and negative for the signs accompanying the numbers and think to themselves Four down two down five up one up seven or equivalent. The last two examples showed us that taking away balloons subtracting a positive or adding weights adding a negative both make the basket go down. 1 3 -4 11 5 -3 2 -2 3 12 -3 6 3 4 -5 13 6 10 4 2 8 14 -8 -6.

So these have the same result. 6 3 3 6 3 3 In other words subtracting a positive is the same as adding a negative. When adding and subtracting numbers its important to be consistent with positive and negative values.

Here are the rules for adding or subtracting negative numbers. Add subtract negative numbers sheet 2 answers a 1 -1 7 6 11 7 -5 2 2 -1 7 -8 12 -3 6 -9 3 6 -3 3 13 4 -8 -4 4 6 -3 9 14 -1 -10 9 5 -4 -5 -9 15 7 -9 -2 6 -4 -5 1 16 -1 8 -9. Adding a positive number is addition eg 4 2 4 2 6 Subtracting a negative number is addition eg 4 - -2 4 2 6.

1 6 -8 -2 11 -3 - 12 -15 2 6 -8 14 12 9 -10 -1 3 -8 12 4 13 -8 -9 1 4 -8 12 -20 14 12 -15 -3 5 -4 -11 -15 15 -7 -13 -20. With negative numbers this is often wrong.

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