Level 1
What is 34 + 28?
(30 + 20) + (4 + 8) = 62
What is 207 + 106?
(200 + 100) + (7 + 6) = 313
What is 1 800 + 2 400?
(1 000 + 2 000) + (800 + 400) = 4 200
What is 7.2 + 2.9?
(7 + 9) + (0.2 + 0.9) = 10.1
What is 17 + 25?
(10 + 20) + (7 + 5) = 42
What is 180 + 240?
(100 + 200) + (80 + 40) = 420
What is 35 000 + 16 000?
(30 000 + 10 000) + (5 000 + 6 000) = 51 000
What is 5.06 + 2.08?
(5 + 2) + (0.06 + 0.08) = 7.14
What is 54 + 18?
(50 + 10) + (4 + 8) = 72
What is 506 + 208?
(500 + 200) + (6 + 8) = 714
What is 30 700 + 50 800?
(30 000 + 50 000) + (700 + 800) = 81 500
What is 350 000 + 480 000?
(300 000 + 400 000) + (50 000 + 80 000) = 830 000
What is 37 + 28?
(30 + 20) + (7 + 8) = 65
What is 4 700 + 3 500?
(4 000 + 3 000) + (700 + 500) = 8 200
What is 54 000 + 18 000?
(50 000 + 10 000) + (4 000 + 8000) = 72 000
What is 208 000 + 107 000?
(200 000 + 100 000) + (8 000 + 7 000) = 315 000
What is 43 + 39?
(40 + 30) + (3 + 9) = 82
What is 7 080 + 1 050?
(7 000 + 1 000) + ( 80 + 50) = 8 130
What is 70 080 + 20 050?
(70 000 + 20 000) + (80 + 50) = 90 130
What is 5.8 million + 2.5 million?
(5 million + 2 million) + (.8 million + .5 million) = 8.3 million