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~ Integers II II II II II II II II II 3b:33

Example a shows one way of getting from +5 to -5 on the number line
in 3 moves.

[!] Find 5 more ways, each using exactly three moves.
a .~ ~~~ ~.
1
-5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5
Show them on
number lines b to f. -2
Write down how you +5
~ -4- 7 +1 ~ -1 -4- ~-5
did it, like this.

b " I 1 1 1 1 1 I ~
-5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5

c ~"~I ----~I-----Ir----rl ----+I ----~I ----~----r----r----+---~I ••
-5 -4 -3 -2 -1 0 + 1 +2 +3 +4 +5

d ~"~I----~I-----Ir----rl----+I ----~I----~----r----r----+---~I.~
-5 -4 -3 -2 -1 0 + 1 +2 +3 +4 +5

e ~"~1 ----41----~1----~1 ----+ ----+ ----4-----~--_r----+_--_+I ••
-5 -4 -3 -2 -1 0 + 1 +2 +3 +4 +5

f ~ .. HI ----~I----~I ----+I ----+I ----~I ----_r----r_--_+----+_--~I.~
-5 -4 -3 -2 -1 0 + 1 +2 +3 +4 +5

Name Subtracting ten on a number line -5 to +5.
Date

© HarperCollinsPubJishers Ltd 1997 STEPS 3b Differentiation Pack