Recognize Unknown

The meaning of an unknown

An unknown is a quantity that is not specified

4 909 + q = 9 625. Unknown q is

4 716

b + 90 = 105. b is an unknown.

b is 15

c - 4 = 14

c is 18

15 - y = 12

y is 3

Shanti sells a few quail eggs. Then, she sells another 90 quail eggs. The number of quail eggs sold is 105 eggs altogether.

Number sentence: a + 90 = 105. a is an unknown which is a few quail eggs

There are several mangoes in the basket. 4 were eaten and 14 were left

Number sentence: z - 4 = 14. z is an unknown which is the several mangoes in the basket

15 storks are hunting for fish in the lake. A few fly away and 12 are left

Number sentence is 15-k=12. k is an unknown which is the birds that fly away

There were 15 fish successfully caught. 3 of them are catfish and the rest are sea bass

Number sentence: 3 + w = 15. w is an unknown which is the number of sea bass

There are several chicks under the chicken coop. 5 eggs have just hatched. There are 16 chicks altogether

The number sentence is t + 5 = 16. t is an unknown which is several chicks