Compensation Strategy
258 + 137 =
200 + 100 = 300
50 + 30 = 80
8 + 7 = 13
Answer: 393
Use the Jump Strategy - John had $698 to spend. He purchased an expensive new pair of headphones for $289. How much money did John have left after he paid for the new pair of shoes.
698 - 200 = 498
498 - 80 = 418
418 - 9 = 409
Answer: $409
130 seconds: ___ minutes ___ seconds
2 minutes 20 seconds
Clue: I am a 2D shape with 5 sides and 5 vertices.
Pentagon
What is the value of 4 in this number: 12 462
400
$628 + $249 =
600 + 200 = 800
20 + 40 = 60
8 + 9 = 17
Answer: $877
Use the Jump Strategy - Mel earned $798 on Return and Earn. Her sister collected $482. How much money did they earn in total?
798 + 400 = 1198
1198 + 80 = 1278
1278 + 2 = $1280
Answer: $1280
105 seconds: ___ minutes ___ seconds
1 minute 45 seconds
Clue: I am a shape with 8 sides.
Octagon
What are the factors or 42?
1, 2, 3, 6, 7, 14, 21, 42
$932 + $859 =
900 + 800 = 1700
30 + 50 = 80
2 + 9 = 11
Answer: $1791
Use the Jump Strategy - Paul had $738 to spend at Harvey Norman. He purchased a new TV for $426. How much money did Paul have left?
738 - 400 = 338
338 - 20 = 318
318 - 6 = 312
Answer: $312
240 seconds: ___ minutes ___ seconds
4 minutes 0 seconds
Write the digital time for 25 to 7 in the morning.
6:35am
What is 8 squared?
64
$692 - $331 =
600 - 300 = 300
90 - 30 = 60
2-1 = 1
Answer: $361
Use the Jump Strategy - Sara has $825 to spend on beads. She spends $322 to spend on beads. How much money does Sara have now?
825 - 300 = 525
525 - 20 = 505
505 - 2 = 503
Answer: $503
185 seconds: ___ minutes ___ seconds
3 minutes 5 seconds
Write the digital time for quarter past 4 in the afternoon.
4:15pm
Add < or >
9858 9844
9858 > 9844
2849 - 1727 =
800 - 700 = 100
40 - 20 = 20
9 - 7 = 2
Answer: 1122
Use the Jump Strategy - Emily has 612 books in her collection. She buys 268 more books at a book sale. How many books does Emily have in total now?
612 + 200 = 812
812 + 60 = 872
872 + 8 = 880
Answer: 880
310 seconds: ___ minutes ___ seconds
5 minutes 10 seconds
What is the value of 7 in this number? 1 675 892
70 000
Write these numbers in ascending order.
999, 988, 986, 998
986, 988, 998, 999