1. Joan bought a 1,200Kg chicken and 0,750Kg of pork chops, a kilo of pork being at 2,10\euro{} and a kilo of chicken at 4,20\euro. 1.1. What represents the numeric expression $1,200\times 2,10+0,750\times 4,20$? 1.2. How much did she pay? 2. A lorry, that when empty weighs 2150Kg, was loaded with 59 boxes of 45Kg each. Will this lorry be allowed to cross a bridge that can only be used by vehicles weighing less than 5 metric tons? 3. A table has columns for {\em Power}, {\em Base}, {\em Exponent}, {\em Reading} and {\em Expression}. Fill the table cells that have ellipses (...). The first line has power $7^3$, base ..., exponent ..., reading ..., and expression $7\times 7\times 7 = 49\times 7 = 343$ The second line has ellipses in the power, base, exponent and expression cells, and in that for reading {\em Seven tenths squared}. 4. Oranges are in sale! At the Orchard Fruiterer 5kg are at 2,30\euro, at Lusitania 4Kg at 1,92\euro, and at Nova 3Kg at 1,41\euro. In which of these fruiterers the price of a kilo is cheapest? 5. In a school 254 pupils are going for a group study visit. The buses available for transportation have 45 seats each. How many buses will be needed? Justify your answer. 6. Give in extension \{divisors of 15\} = 7. Given the numbers 15, 27, 30, 38, 46, 120, 500, write those that are: Divisible by 2 Divisible by 10 Divisible by 2 and by 5 8. Complete: $360:... = 36$ $... : 1000 = 6,5$ $7,03:... = 70,3$ $0.47:... = 47$ 9. Mr. Albert shared out 52\euro{} among his 4 grandsons. The eldest already had, in his wallet, 3\euro. 9.1. What represents the expression $3+52:4$? 9.2. Find the amount the eldest has now. 10. Compute the values of the following expressions: 10.1. $6-6:(23-3\times 7)$ 10.2. $(0,4\times 5+6)\times 2-3^2$