Page 69 - TB_6B

Activity 3 Adding Rational Numbers

Learn how to add rational numbers.

Add rational numbers as you would integers.

Add rational numbers with the Add rational numbers with
same sign. different signs.

Add the absolute values of the Subtract the lesser absolute
value from the greater absolute
addends. value.

1 3 1 3 = 11 3.7 2.5 = 3.7 2.5
6 4 6 4 12
Add the sign of the addend
Add the sign of the addends that has the greater absolute
value for the sum.
for the sum.
3.7 2.5= 1.2
1 3 = 11
6 4 12

1 . Add.

a. 7 2 7 + 6 = 1 4 b. 5.4 3.3 = 5.4 3.3
9 3 9 9 9 = 2.1

= 1 4
9

c. 1 1 2 1 d. 0.3 1.9
2 4

e. 1 1 1 1 f. 6.5 4.3
5 2

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