Year 2 Lesson 12 In-class Exercise

Name ________________________

Calculate the following:
1). Simplify by canceling:




2). What is the hypotenuse of the triangle?




Hypotenuse: _____________
3). (20)(4) =




4). (- 4)(15) =




5). (- 25)(- 3) =




6). (5)(- 4) =




7). 43 + 42 =




8). 32 + 23 =




9). 8 x 7 + 8 x 7 =




10). 4 x 3 + 2 =




11). 4 + 3 x 2 =




12). 4 x (3 + 2) =