The elevator ride: question
Have a go before watching the answer.
TIPS FROM LIRAN
Quick math tips, one at a time.
Short math videos from Liran, an animated character and the guide inside LIRANTIS (not a human teacher). Watch one, try it with your child tonight.
Who knows? Math riddles
Try each question, then watch its answer right after it.
The elevator ride: answer
Watch Liran explain the answer, step by step.
The missing socks: question
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The missing socks: answer
Watch Liran explain the answer, step by step.
The pizza chef: question
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The pizza chef: answer
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The dropped eggs: question
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The dropped eggs: answer
Watch Liran explain the answer, step by step.
The tiny freezer: question
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The tiny freezer: answer
Watch Liran explain the answer, step by step.
Dog years: question
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Dog years: answer
Watch Liran explain the answer, step by step.
The piggy bank: question
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The piggy bank: answer
Watch Liran explain the answer, step by step.
Sharing candy: question
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Sharing candy: answer
Watch Liran explain the answer, step by step.
The winning dice roll: question
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The winning dice roll: answer
Watch Liran explain the answer, step by step.
The waiting line: question
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The waiting line: answer
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The age gap: question
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The age gap: answer
Watch Liran explain the answer, step by step.
The sticker album: question
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The sticker album: answer
Watch Liran explain the answer, step by step.
Movie tickets: question
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Movie tickets: answer
Watch Liran explain the answer, step by step.
Mom's age: question
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Mom's age: answer
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Basketball points: question
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Basketball points: answer
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The unfinished book: question
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The unfinished book: answer
Watch Liran explain the answer, step by step.
The hungry bunny: question
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The hungry bunny: answer
Watch Liran explain the answer, step by step.
Time for practice: question
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Time for practice: answer
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Heads and legs: question
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Heads and legs: answer
Watch Liran explain the answer, step by step.
The climbing snail: question
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The climbing snail: answer
Watch Liran explain the answer, step by step.
High-fives: question
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High-fives: answer
Watch Liran explain the answer, step by step.
The secret diary code: question
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The secret diary code: answer
Watch Liran explain the answer, step by step.
The secret number: question
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The secret number: answer
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Encouragement for parents and children
A little encouragement for the next step in learning.
One problem, one small win
A message for parents, with Liran in a White House setting.
Notice your child's progress
A message for parents.
Take one small step together
A message for parents.
Ask how they worked it out
A message for parents.
Celebrate the strategy
A message for parents.
Big goals, small steps
A message for young learners.
Start with what you know
A message for young learners.
Every champion starts with one try
A message for young learners.
A mistake is a clue
A message for young learners.
Return with patience
A message for parents.
Be there for your child
A message for parents.
More math tips
The 9s trick
Try 9 x 3 = 27. Add the digits: 2 + 7 = 9. Check it with 9 x 4.
Make ten with fish
8 fish, 2 more fill the tank to 10, and 3 are left over: 8 + 5 = 13.
Doubling rockets
Each rocket splits in two: 2, 4, 8, 16.
Add fractions with pizza
1/2 is the same as 2/4, so 1/2 + 1/4 = 3/4 of the pizza.
Odd plus odd
7 + 5: each leaves one over, the two leftovers pair up, so the answer is even: 12.
Break apart 6 x 12
6 x 10 = 60 and 6 x 2 = 12, so 6 x 12 = 72.
Perimeter is a lap
Walk around an 8 by 3 rectangle: 8 + 3 + 8 + 3 = 22.
Round to the nearest ten
47 rolls down to the closer hilltop: 50.
Share equally with eggs
12 eggs into 3 baskets is 12 / 3 = 4 in each basket.
Add on a thermometer
Start at -3 and climb 5 steps: you land on 2.
Make ten first
Adding 8 + 5? Fill up to 10 first, then add what is left.
Subtract in jumps
For 52 - 19, count up from 19 in friendly jumps to reach 52.
Multiply by breaking apart
Stuck on 6 x 7? Split the 7 into 5 + 2 and multiply each part.
Division is equal sharing
Share 12 into 3 equal groups and see how many land in each.
Fractions need the same whole
Comparing 1/2 and 1/4 only works when both come from the same whole.
Find an equivalent fraction
2/4 and 1/2 are the same amount. Here is how to see it.
Line up decimal places
Adding 2.5 + 0.75? Line up the decimal points first, then add.
Find ten percent
To find 10% of 60, split it into 10 equal parts and take one.
Keep an equation balanced
With x + 3 = 11, do the same thing to both sides to find x.