free online 2nd grade games

The second and third periods are known as short periods. Each consists of eight elements. The second period starts with lithium (Z = 3) and ends with inert gas neon (Z = 10). The third period starts with sodium (Z = 11) and ends with argon (Z = 18..

The time of a pendulum′s swing varies directly with the square root of its length. If the pendulum is 1 ft long when the time is 0.2 second, find the time if the length is 9 ft. => 0.6 second or 1.8 seconds or 15 seconds or 0.8 seconds..

The table shows the percentage of scores obtained by Ethan each year during his four year degree course. Which of the following is the equivalent box-and-whisker plot of the data? Also find out the median of scores obtained. Year Percentage of scores 1st Year 70 2nd Year 82 3rd ..

Describe how the price of a pen changed after three years. Time Price of a Pen Initial $5.00 after 1st year $6.00 after 2nd year $6.50 after 3rd year $6.95 => varying or decreasing or increasing or constant..

The table shows the quarterly sales of two products A and B. Which bar graph represents the data shown in the table? Quarters Sales of Product A (in million dollors) Sales of Product B (in million dollors) 1st Qtr 15 20 2nd Qtr 50 34 3rd Qtr 25 40 4th Qtr 30 30 => Graph 2..

During selection trials for the Olympic games, the qualifying time set for 100 metres sprint is 11 seconds. Lily′s current speed for 100 metres sprint is 13 seconds. How much time should Lily save in order to qualify? => 4 seconds or 3 seconds..

Which is an unfair game? => spinning a spinner with two unequal sections or spinning a spinner with equal sections or I don′t know. or Roll a dice. You win if you roll a 1 or 2. Your friend wins if he rolls a 1 or 2...

Which of the following games is fair? => Toss a coin thrice. You win if you get 3 heads and your friend wins if he gets at least one head or tail. or Roll a dice. You win if you roll a 1 or 2. Your friend wins if he rolls a 3 or 4. or I don′t know. or Put 5 red and 2h..

Which of the following games is unfair? => Toss a penny. You get 1 point for each head. Your friend gets 1 point for each tail. or I don′t know. or Put 3 red and 3 blue cubes in a bag. You win if you pick a red cube. Your friend wins if he picks a blue cube. or Roll a dice. You win ..

Jimmy won 40% of the games he played. The total number of games he played is 40. Find the total number of games that Jimmy won. => 13 or 16 or 17 or 18..