ten / 10

= + : Mnemonic symbol: a holy cross. Sherlock Holmes (sh-) is investigating a very strange thing he found in the kitchen of the space station (-2): A big pyramid made of ten (十) crosses (十), which are in turn made out of flutes (一) and dinosaur bones (丨).

十 character breakdown

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

Maud Younger (y) forgot her keys to the space station (Ø1), all she brought outside was her flute (一). She has no choice but to crash the door with the giant flute.
radical in Chinese characters (Kangxi radical 2)

Mnemonic symbol: a dinosaur bone. Gitta Giraffe (gu-) found a gorgeous dinosaur bone (丨) in the encampment's living room ((e)n3).
vertical stroke (in Chinese characters), referred to as 豎筆|竖笔[shu4 bi3]

Mnemonic symbol: a dinosaur bone. Sheldon Shrimp (shu) found a gorgeous dinosaur bone (丨) in the space station's bathroom (Ø4) and is cracking it open to eat its bone marrow.

Characters with 十 as component

to cooperate / to harmonize / to help / to assist / to join

= + : Marie Curie (xi) announces her new cooperative society (协) in the elevator's kitchen (e2). She wants to give crosses (十) to the poor. In reality her society is nothing more than a scam business (办): the crosses cost a lot of money.
umbrella / parasol / CL:把[ba3]

= + + : Socrates abolished philosophy and converted to starting a religion in the anthill. He built a large totem pole out of a parasol held by Neanderthal Man, who stands on a mean crocodile, which stands on a cross. Socrates himself holds two umbrellas and preaches to the people to prepare for the end of days, when the heaven will fall down on earth.
surname Ji

= + : Joan of Arc inspects an advertising column in the space station's bathroom. On it there is an intricate pattern of crosses. With an calculator she tries to calculate the overall area the crosses take on the advertising column.
to calculate / to compute / to count / to regard as important / to plan / ruse / meter / gauge

= + : Joan of Arc inspects an advertising column in the space station's bathroom. On it there is an intricate pattern of crosses. With an calculator she tries to calculate the overall area the crosses take on the advertising column.
accurate / standard / definitely / certainly / about to become (bride, son-in-law etc) / quasi- / para-

= + : Julian Giant Squid is just about to eat a popsicle inside of the encampment, but in the last moment a sparrow snatches the popsicle away and shouts that it is forbidden to eat inside of the encampment.
needle / pin / injection / stitch / CL:根[gen1],支[zhi1]

= + : James II of England (zh) found a huge cross made from a bone and a flute (十) with a golden harpoon (钅) sticking in the bone in front of the encampment ((e)n1). He wants to find out where it came from, so he uses a needle (针) to draw bone marrow from the bone to analyze its DNA, and it turns out that it once belonged to a white whale.
old variant of 博[bo2]

= + : Just after he got a PhD (博), Beelzebub (b) opened a museum (博) in the observatory's kitchen (o2). He put a big notice on the bulletin board (尃) to announce (尃) the grand opening. His museum is rather special in that it showcases Jesus's cross (十).
extensive / ample / rich / obtain / aim / to win / to get / plentiful / to gamble

= + : Just after he got a PhD (博), Beelzebub (b) opened a museum (博) in the observatory's kitchen (o2). He put a big notice on the bulletin board (尃) to announce (尃) the grand opening. His museum is rather special in that it showcases Jesus's cross (十).
bright

= + + : Brunhilde (bi) receives the crab (贝) in the space station's bathroom (Ø4) and tells the crab how honored (贲) she is with its visit. She lets the crab sit down on a soft sheet of artificial lawn (艹) and makes a nice and bright (贲) fire. The crab thinks that it is nice to have such a bright place, but it doesn't know that the Brunhilde is going to crush it with a cross (十) and grill it on the fire.
surname Ben
energetic
comet

= + + : Beelzebub (b) wants to fry an egg (子) in the Eiffel Tower's bathroom (ei4). He breaks the egg onto a cooking top (冖) and to fry it, he summons a comet (孛) using a cross (十) he holds the other way around. The comet causes a fire on which Beelzebub fries the egg.
Japanese variant of 單|单
writing brush / writing / pen

= + + + : Hamlet (h) and Neanderthal Man (人) are taking part in a calligraphy competition in the anthill's bathroom (an4). Each of them has exactly one minute to write a Chinese character, with the minute being measured by an alarm clock (早). Hamlet has a big advantage though: he might use a proper writing brush (翰) while Neanderthal Man only has an ordinary feather (羽). As Neanderthal Man notices he is going to loose he is so angry that he crushes the alarm clock with a huge cross (十).
surname Han

= + + + : Hamlet (h) and Neanderthal Man (人) are taking part in a calligraphy competition in the anthill's bathroom (an4). Each of them has exactly one minute to write a Chinese character, with the minute being measured by an alarm clock (早). Hamlet has a big advantage though: he might use a proper writing brush (翰) while Neanderthal Man only has an ordinary feather (羽). As Neanderthal Man notices he is going to loose he is so angry that he crushes the alarm clock with a huge cross (十).
falcon / Taiwan pr. [zhun3]

Words with 十

pretty close / very near / about right
the one who has retreated 50 steps laughs at the one who has retreated 100 steps (idiom) / the pot calls the kettle black
adhesive capsulitis (frozen shoulder)
Sixteen Kingdoms of Five non-Han people (ruling most of China 304-439)
lit. if one is fake, I shall compensate you for ten of them / fig. (of goods) 100% genuine
Around the World in Eighty Days by Jules Verne 儒勒·凡爾納|儒勒·凡尔纳[Ru2 le4 · Fan2 er3 na4]
the 64 hexagrams of the Book of Changes (I Ching or Yi Jing) 易經|易经
Five Dynasties (907-960) and Ten Kingdoms (902-979), period of political turmoil in ancient China

Sentences with 十

wǒ
men
dà
wáng
zǎo
fe̅i
chu̅
shí
wàn
ba̅
qia̅n
lǐ
le