Summative Grade 7-8-9 Mathematics test

Turon International School Summative Grade 7-8-9 Mathematics test Name: ________________________________ ____ /20 ___ /100 1. Calculate: 8-(-4)*3+2+(-(-7))*3= 57-5*(-3)-(-6-28+14)*5= -(-87:3+7-1)*4+32:2^2= 18+6^3:6^2-22+34= 4+14^2:2-(-32:2^4)-5+3^3= 89-50-4*(-4^3:8)+31= +13*5-12* = -35*3+ *11 = 4^3+ *2^3-5^2* = *4-5*3^2+9^2*2= [32] 2. Simplify the expressions given in the below: 3x+2+2x-5y+5-11-(-6y+3x) = -3bd-4b+7pq-11pq+3b-(-6bd) = 4ab+3x-3cd*3-ba+3x+cd= ax+4bx+3cx-5*4+6cx-3bx-2ax= 3x+(-6x)=56-59 6x+2*(x+2)=44+4x X= X= [24] 3. Find the following : Find 31^st term of Arithmetic progression if a1 =12 and d=4 Find 43^rd term of Arithmetic progression if a29 =51 and d=2 Find the sum of 27 terms of Arithmetic progression if a1=7 and a19=43 Find common difference of Arithmetic progression if S29=841 and a1=15 [24] 4. Calculate: 110^o 65^o x= 48^o 56^o 60^o X X= 9 5 35^o 11 110^o [20] P=