# data[].attributes.headline
Tìm một số khi biết giá trị phân số của nó (ngược)

# data[].attributes.subject
Tìm một số khi biết giá trị phân số của nó (ngược)

# data[].attributes.body
Tiết 1: Thiên nhiên và con người

# data[].attributes.attachment_link.readable_text
Pick the prime fruit from the tree as quickly as possible.

This is level 5: identify prime numbers up to 144.

99

Whe a number appears
on the tree you have to decide
if it is a prime number then click the
Yes or the No button.

Start

Try Again

© Transum Mathematics :: This activity can be found online at:
www.Transum.org/go/?Num=791

Description of Levels

Close

Level 1 - Pick prime numbers in the range 1 to 16

Level 2 - Pick prime numbers in the range 17 to 37

Level 3 - Pick prime numbers in the range 38 to 61

Level 4 - Pick prime numbers in the range 62 to 99

Level 5 - Identify prime numbers up to 144

More on this topic including lesson Starters, visual aids, investigations and self-marking exercises.

Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don't yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.

Log in Sign up

Currently the fastest time for this level (Level 5) has been achieved by Solly123 with a time of 0:59 (that is 59 seconds) on Saturday, February 6, 2021. Can you beat that? If you can make sure you claim a trophy because that is how fast times are officially recognised.

Example

Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don't yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.

Log in Sign up

Close

# data[].attributes.attachment_link.description
This is level 5: identify prime numbers up to 144. 99 Whe a number appearson the tree you have to decideif it is a prime number then click theYes or the No button.