Level 1
What is 43 + 9?
43 + 10 = 53 - 1 = 52
What is 124 + 29?
124 + 30 = 154 - 1 = 153
What is 2 500 + 1 900?
2 500 + 2 000 = 4 500 - 100 = 4 400
What is 34 000 + 9 900?
34 000 + 10 000 = 44 000 - 100 = 43 900
What is 79 + 8?
80 + 8 = 88 - 1 = 87
What is 253 + 97?
253 + 100 = 353 - 3 = 350
What is 3 700 + 1 800?
3 700 + 2 000 = 5 700 - 200 = 5 500
What is 2.6 + 0.9?
2.6 + 1.0 = 3.6 - 0.1 = 3.5
What is 54 + 19?
54 + 20 = 64 - 1 = 63
What is 428 + 198?
428 + 200 = 628 - 2 = 626
What is 7 400 + 2 900?
7 400 + 3 000 = 10 400 - 100 = 10 300
What is 4.6 + 1.8?
4.6 + 2.0 = 6.6 - 0.2 = 6.4
What is 46 + 29?
46 + 30 = 76 - 1 = 75
What is 547 + 299?
547 + 300 = 847 - 1 = 846
What is 25 000 + 9 000?
25 000 + 10 000 = 35 000 - 1 000 = 34 000
What is 0.54 + 0.29?
0.54 + 0.30 = 0.84 - 0.01 = 0.83
What is 47 + 28?
47 + 30 = 77 - 2 = 75
What is 467 + 295?
467 + 300 = 767 - 5 = 762
What is 59 000 + 17 000?
60 000 + 17 000 = 77 000 - 1 000 = 76 000
What is 0.78 + 0.19?
0.78 + 0.20 = 0.98 - 0.01 = 0.97