Place value/
Positionssystemet
Mental Math/
Huvudräkning
Rounding/
Avrunding
Addition and Subtraction/
Addition och subtraction
Negative Numbers/
Negativa tal
100
Read this number 834 593 162
Eight hundred thirty-four million, five hundred ninety-three thousand, one hundred sixty-two
100
What is 100 + 400?
500
100
Round 23 to the nearest 10.
20
100
Come to the board and solve 649 + 45. Use any method!
694
100
What is the difference between -3 and 0?
3
200
Write this number in expanded form: 456 720
400 000+ 50 000+ 6 000+ 700 + 20
200
What number is missing? 800 000 + ___________ = 1 000 000
200 000
200
Round 549 to the nearest 100.
500
200
Come to the board and solve 649 - 95. Use any method!
554
200
What is -4 + 5?
1
300
In this number: 784 163 038, what is the 7 equal to?
700 000 000 (seven hundred million)
300
What is 824 - 310?
514
300
Round 1 558 to the nearest thousand.
2 000
300
Come to the board and solve 394 389 + 392 383. Use any method!
786 772
300
What is the difference between -2 and 2?
4
400
Write eight million, nine hundred sixty-eight thousand, thirty-two in standard form.
8 968 032
400
What number is missing? 350 + _____ = 1 000
650
400
Round 9 483 to the nearest 10.
9 480
400
Come to the board and solve 794 349 - 392 383. Use any method!
401 966
400
What is -5 - -9?
4
500
Write the number two million and two in standard form.
2 000 002
500
What is 7 893 293 - 650 000?
7 243 293
500
Round 83 to the nearest 1 000
0
500
Solve this problem with TWO different methods! 780 003 - 5 389.
774 614
500
What is 6 + -8?
-2
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