Numbers to 20
Write 2 in words.
Two
2 + 1 =?
3
3 - 1 =?
2
There are 15 rabbits. 7 rabbits hopped away. How many rabbits are left?
15 - 7 = 8
Write 1st in words.
first
What is the missing number?
20, 19, 18, __?___, 16, 15
17
3 + 6 =?
9
8 - 2 =?
6
There are 16 fish. 9 fish swam away. How many fish are left?
16 - 9 = 7
Write 2nd in words.
second
Write 19 in words.
Nineteen
7 + 5 =?
12
10 - 0 = ?
10
Tien Nim has 7 lollipops. Tiffany has 3 lollipops. How many lollipops do they have altogether?
7 + 3 = 10
Write ninth in numeral.
9th
Arrange the numbers from the smallest to the greatest.
7 , 11 , 5 , 18
5, 7, 11, 18
10 + 3 = ?
13
14 - 4 =?
10
Deborah has 9 balloons. 4 of them are red. The rest are green. How many green balloons are there?
9 - 4 = 5
Write third in numeral.
3rd
Which is the greatest number?
16, 20, 11, 17
20
12 + 8 =?
20
13 - 8 =?
5
Zi Ying brings 12 muffins to Jurong Lake Garden.
Le Ha Thus brings 8 muffins to Jurong Lake Garden.
How many muffins do they bring altogether?
12 + 8 = 20
Write 8th in words.
Eighth