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COMMUTATIVE PROPERTY - DBE WORKBOOK page 50-51
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CUMMUTATIVE PROPERTY
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CUMMUTATIVE PROPERTY
Gap-fill exercise
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
QUESTION 1
Use the cummutattive property of addition or multiplication to make the equations TRUE
a)
= 2+13
b) 62 + 31=
c) 4 x 5 =
d) 7 x 9 =
e)
= 8 x 9
f)
= 15 x 12
QUESTION 2
Use the cummutative property to make the following equations TRUE
a) a + b =
b) c x d =
c) m x n =
d)
= g+h
e)
= p x 1
f) s x t =
QUESTION 3
Solve, if a = 2, b = 5 and c = 3, show that the questions are equal.
a) c + a = a + c
=
=
b) c x a = a x c
=
=
c) b x a = a x b
=
=
d) b + a = a + b
=
=
e) b x c = c x b
=
=
f) b + c = c + b
=
=
Check
Hint
OK
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