Theme Tasks catalog
Oral and written numbering of numbers from 21 to 100. Comparing numbers up to 100
• You will learn how numbers of the second ten are made;
• You will learn to find the order of numbers in the first hundred;
• You will practice counting by tens up to 100;
• You will choose the next and neighbor numbers up to 100;
• You will learn to compare numbers in the first hundred;
• You will solve problems to find the sum and to decrease a number by a few units;
• You will improve your skills in adding and subtracting one-digit numbers with crossing the tens up to 20, breaking numbers into easy addends.
• You will learn to find the order of numbers in the first hundred;
• You will practice counting by tens up to 100;
• You will choose the next and neighbor numbers up to 100;
• You will learn to compare numbers in the first hundred;
• You will solve problems to find the sum and to decrease a number by a few units;
• You will improve your skills in adding and subtracting one-digit numbers with crossing the tens up to 20, breaking numbers into easy addends.
1
Calculate the expressions by breaking the numbers into easy addends.
Calculate the expressions by breaking the numbers into easy addends.
2
Count by tens, choose the missing numbers.
Count by tens, choose the missing numbers.
3
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
4
Write a short note and solve the problem.
There were buses in the bus park.
9 buses left for a trip.
And 5 buses stayed.
How many buses were in the bus park?
Write a short note and solve the problem.
There were buses in the bus park.
9 buses left for a trip.
And 5 buses stayed.
How many buses were in the bus park?
5
Calculate the expressions by breaking the numbers into easy addends.
Calculate the expressions by breaking the numbers into easy addends.
6
Count by tens. Choose the missing numbers.
Count by tens. Choose the missing numbers.
7
Look how the numbers of the third ten are made.
There are different numbers of cubes on two tens.
2 tens and 1 – 21.
2 tens and 2 – 22.
2 tens and 3 – 23.
2 tens and 4 – 24.
2 tens and 5 – 25.
2 tens and 6 – 26.
2 tens and 7 – 27
2 tens and 8 – 28
2 tens and 9 – 29
3 tens – 30
We count further in the same way.
Let's do the task together.
Let's count and choose the correct number for the highlighted cells.
Let's look at the screen and count the highlighted cells.
1,
2,
3,
4,
5,
6,
7,
8,
9,
10,
11,
12,
13,
14,
15,
16,
17,
18,
19,
20,
21.
So, there are 21 highlighted cells.
Let's drag the correct number into the empty cell.
Do the next tasks by yourself.
Look how the numbers of the third ten are made.
There are different numbers of cubes on two tens.
2 tens and 1 – 21.
2 tens and 2 – 22.
2 tens and 3 – 23.
2 tens and 4 – 24.
2 tens and 5 – 25.
2 tens and 6 – 26.
2 tens and 7 – 27
2 tens and 8 – 28
2 tens and 9 – 29
3 tens – 30
We count further in the same way.
Let's do the task together.
Let's count and choose the correct number for the highlighted cells.
Let's look at the screen and count the highlighted cells.
1,
2,
3,
4,
5,
6,
7,
8,
9,
10,
11,
12,
13,
14,
15,
16,
17,
18,
19,
20,
21.
So, there are 21 highlighted cells.
Let's drag the correct number into the empty cell.
Do the next tasks by yourself.
8
Count the highlighted cells. Choose the correct numbers.
Count the highlighted cells. Choose the correct numbers.
9
Solve the problem. The piglet weighs 15 kg, and the kid weighs 7 kg less. What is the weight of the kid?
Solve the problem. The piglet weighs 15 kg, and the kid weighs 7 kg less. What is the weight of the kid?
10
Fill in the missing numbers.
Fill in the missing numbers.
11
Insert the sign greater, less or equal.
Insert the sign greater, less or equal.
12
Find the next number for each number.
Find the next number for each number.
13
Write a short note and choose the solution for the problem.
For the waltz, 8 dresses were sewn for girls and the same number of suits for boys.
How many dresses and suits were sewn in total?
Write a short note and choose the solution for the problem.
For the waltz, 8 dresses were sewn for girls and the same number of suits for boys.
How many dresses and suits were sewn in total?
14
Choose the neighbor numbers.
Choose the neighbor numbers.
