Theme Tasks catalog
Ten. Counting by tens up to 100
• You will learn a new counting unit – ten;
• You will learn to match tens with the number of objects in certain sets;
• You will practice counting by tens forward and backward;
• You will repeat the sequence of numbers up to 100;
• You will compare place value numbers up to 100;
• You will improve your skills in solving problems about finding the remainder and the rest, and increasing a number by a few units.
• You will learn to match tens with the number of objects in certain sets;
• You will practice counting by tens forward and backward;
• You will repeat the sequence of numbers up to 100;
• You will compare place value numbers up to 100;
• You will improve your skills in solving problems about finding the remainder and the rest, and increasing a number by a few units.
1
String the beads, keeping the given order. Count them.
String the beads, keeping the given order. Count them.
2
Here are 10 beads.
How else can we name this number of beads?
One ten.
The number 10 is one ten and zero ones.
Let's do the task together.
Let's count the number of tens and choose the right number.
Look at the screen.
On the wire there are
1,
2,
3,
4,
5,
6,
7,
8,
9,
10,
11,
12,
13,
14,
15,
16,
17,
18,
19,
20 beads,
which together make two tens.
Let's drag the right number into the empty cell.
Do the next tasks by yourself.
Here are 10 beads.
How else can we name this number of beads?
One ten.
The number 10 is one ten and zero ones.
Let's do the task together.
Let's count the number of tens and choose the right number.
Look at the screen.
On the wire there are
1,
2,
3,
4,
5,
6,
7,
8,
9,
10,
11,
12,
13,
14,
15,
16,
17,
18,
19,
20 beads,
which together make two tens.
Let's drag the right number into the empty cell.
Do the next tasks by yourself.
3
Count the number of tens, choose the right numbers.
Count the number of tens, choose the right numbers.
4
Let's count by tens.
10,
20,
30,
40,
50,
60,
70,
80,
90,
100.
These are round numbers.
Each of them has a different number of tens and zero ones.
First we write the number of tens, then zero ones.
Let's do the task together.
Let's choose the right number for the set of objects.
Look at the screen.
In the box there are
one,
two,
three,
four,
five,
six,
seven,
eight,
nine,
ten pencils.
Let's drag the right number into the empty cell.
Do the next tasks by yourself.
Let's count by tens.
10,
20,
30,
40,
50,
60,
70,
80,
90,
100.
These are round numbers.
Each of them has a different number of tens and zero ones.
First we write the number of tens, then zero ones.
Let's do the task together.
Let's choose the right number for the set of objects.
Look at the screen.
In the box there are
one,
two,
three,
four,
five,
six,
seven,
eight,
nine,
ten pencils.
Let's drag the right number into the empty cell.
Do the next tasks by yourself.
5
Choose the right numbers for the sets of objects.
Choose the right numbers for the sets of objects.
6
Choose the right number of tens.
Choose the right number of tens.
7
Write a short note and solve the problem.
Olesia needs to cut out eight circles from colored paper.
She has already cut out three circles.
How many circles does Olesia still need to cut out?
Write a short note and solve the problem.
Olesia needs to cut out eight circles from colored paper.
She has already cut out three circles.
How many circles does Olesia still need to cut out?
8
Count by tens, choose the missing numbers.
Count by tens, choose the missing numbers.
9
Insert the sign greater, less or equal.
Insert the sign greater, less or equal.
10
Count by tens backward.
Choose the missing numbers.
Count by tens backward.
Choose the missing numbers.
11
Write a short note and solve the problem.
Two people were riding a boat, and there were seven more people on the yacht.
How many people were riding the yacht?
Write a short note and solve the problem.
Two people were riding a boat, and there were seven more people on the yacht.
How many people were riding the yacht?
12
Find the smallest number and choose it.
Find the smallest number and choose it.
13
Calculate. Choose the right numbers.
Calculate. Choose the right numbers.
14
Count the money. Choose the right numbers.
Count the money. Choose the right numbers.
15
Find the biggest number and choose it.
Find the biggest number and choose it.
16
Write a short note and solve the problem.
There are 10 cars in the car showroom,
3 trucks and some passenger cars.
How many passenger cars are in the car showroom?
Write a short note and solve the problem.
There are 10 cars in the car showroom,
3 trucks and some passenger cars.
How many passenger cars are in the car showroom?
17
Count the money, choose the right numbers.
Count the money, choose the right numbers.
