You got:
14.33 | + | (1 x 10) | = | 21.23 |
time | + | (wrong x 10) | = | score |
3 scores max per player; No foul language, show respect for other players, etc.
Name | Score | Date | ||
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1 | ||||
2 | ||||
3 | ||||
4 | ||||
5 | ||||
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9 | ||||
10 |
Game: ROCK FALL
Aim: Smash all the falling rocks
Method:
Click / tap on each falling rock. Answer the question in the box as quickly as you can.
There are only 4 questions in this game so it is quite short... if you can get those rocks!
Your final score is based on number of questions answered right / wrong, and the time taken.
5th grade / Add + Subtract / Add 109, 119, 129 / Add 129 to a multiple of 10
When you add to a large number, you can use simple tricks to help you. This is especially so when the large number's unit value is a 9 or a 1.
When adding 129, it is often easier to first add 130, and then subtract 1.
For instance, if you wanted to do the sum 160 + 129:
160 + 129 = (160 + 130) - 1
290 - 1 = 289
Of course, this trick also works when the initial number is not a multiple of 10:
164 + 129 = (164 + 130) - 1 = 294 - 1
You can use a similar technique whenever the number to be added has a unit value of 9 - round that number up to nearest 10, do the addition then take 1 away. If you practice this technique using some of our timed games, you will soon get very good at doing this in your head in a very short time.
With our Rock fall math game you will be practicing the topic "Add 129 to a multiple of 10" from 5th grade / Add + Subtract / Add 109, 119, 129. The math in this game consists of 28 questions that ask you to add 129 to a number by first adding 130 and then subtracting 1 from the result.
ROCK FALL is based on the road traffic warning sign for falling rocks - a sign that seems a bit less useful than somebody getting up there on that cliff and actually doing something about it... Anyway, the rocks are falling and it is your job to stop them hitting the road below, or at least stopping them hitting the road below too many times and breaking it. Smash the rocks by clicking or tapping on them (not so easy in real life of course) - they will turn into snowflakes and float gently down into nothing.
There are 4 rocks to stop and not much time to do it (if you want to get a good score and get on the leaderboard). This game is fun and fast and requires good reflexes and a good strategy. Plan to break the smaller rocks first if you want a good score because the rocks fall faster as the game progresses. It also helps to decide where on their path you plan to click / tap the rocks.
UXO * Duck shoot * The frog flies * Pong * Cat and mouse * The beetle and the bee
Rock fall * Four in a row * Sow grow * Choose or lose * Mix and match
There are rocks falling from an unstable cliff. You need to break the rocks by clicking / tapping on them...
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