Page 6 - Upload Online Test 3

Activity 5
1 Use jumping through tidy numbers to find the answers to these. Draw a number line to help.
a 39 + ? = 54
e 127 + ? = 185 i 153 + ? = 240
b 54 + ? = 62
f 83 – ? = 45
j 278 + ? = 343
c 26 + ? = 73 d g 92 – ? = 36 h k 145 – ? = 119 l
84 – ? = 32 73 – ? = 35 187 – ? = 139
2 Some classes at Jess’s school were raising money for charity.
$135
$155
$115
$108
$87
$78
$46
Class 5N
Class 5P
$145
Class 6S
Class 6T
these charts shows their progress towards their goals.
how much does each class need to raise to reach their goal?
3 In a game, Levi had to choose two ski pole numbers that added to the finish line number.
a Levi chose the ski pole 46.
What other number should he choose to make 282?
b In his next game he chose pole 158. What number should be on the other pole to make 282?
4 Find the answers to these. a 158 + ? = 184 b
d 423 + ? = 611 e
266 + ? = 292 348 + ? = 523
c 157 + ? = 261
f 798 + ? = 1105
Chapter 2 : aDDING aND SUBtraCtING 15 USING tIDY NUMBerS