Vánoční matematika pro pátý ročník ZŠ - výsledy - results
RESULTS (Výsledky): Christmas Maths tasks from grade 5.A school Kosmonautů 15, CZ
1) 222 + 555 + 333 = 1 110
2) a) 0, they did not have any b) 365 + 275 + 27 = 667
3) a) 0, no b) 25 000 children – 150 (bags with a gift and 1 gram of coal) = 24 850
4) a) 8 pieces b) 4*23 = 92
5) 20 + 40 + 80 = 140
6) a) 500 g * 4 = 2 kg of coal b) 2 kg of coal + 32 presents = 34 = round to tens = 30
7) 10 000 crowns
8) a) 4 * 13 = 52 crowns b) 4 * 16 = 64 tyres
9) 28 + 34 + 12 + 4 = 78 toys
10) a) yes, 30 * 3 = 90 she will pay crowns b) 100 – 90 = 10 crowns is change
11) 3*4 = 12 presents for 3 children ……….. 21 – 12 = 9 presents will be left in the bag
12) 1 125 + 1 286 = 2 411 sweets together b) 2 411 – 1 585 = 826 left, 826 : 2 = 413 left finally
13) a) 1 802 305 + 15 600 + 150 + 112 = 1 818 167 together b) 150 – 3*50 = 0
14) 1 300 + 1 200 + 300 = 2800 sweets together
15) a) 100 + 300 + 100 = 500 b) no, 100 + 100 < 300
16) a) 0, they did not have chocolate anges b) 1 623
17) 1 000 265 + 19 456 823 + 832 – 2 000 000 = 18 457 920
18) 19 456 823 – 832 = 19 455 991