Theme Tasks catalog
Formation and names of numbers of the second ten. Writing numbers of the second ten with digits. Comparing numbers
• You will learn how numbers of the second ten are formed and named;
• You will learn to write numbers of the second ten with digits;
• You will compare numbers of the second ten;
• You will improve your skills in solving problems to find the sum and to compare numbers by difference;
• You will practice calculating addition and subtraction of round numbers – tens.
• You will learn to write numbers of the second ten with digits;
• You will compare numbers of the second ten;
• You will improve your skills in solving problems to find the sum and to compare numbers by difference;
• You will practice calculating addition and subtraction of round numbers – tens.
1
Choose the correct number of tens.
Choose the correct number of tens.
2
Insert the sign greater, less or equal.
Insert the sign greater, less or equal.
3
Subtract 20. Choose the correct numbers.
Subtract 20. Choose the correct numbers.
4
Make a short note and solve the problem.
To make cakes, the cook used 40 eggs, and for salads – 30 eggs.
How many eggs did the cook use in total?
Make a short note and solve the problem.
To make cakes, the cook used 40 eggs, and for salads – 30 eggs.
How many eggs did the cook use in total?
5
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
6
Look how the numbers of the second ten are formed.
ten and one – eleven,
ten and two – twelve,
ten and three – thirteen,
ten and four – fourteen,
ten and five – fifteen,
ten and six – sixteen,
ten and seven – seventeen,
ten and eight – eighteen,
ten and nine – nineteen,
ten and ten – twenty.
Let's do the task together.
Let's find the number that matches the number of windows in the house where the light is on.
Look at the screen.
In this house, the light is on in eight windows.
One,
two,
three,
four,
five,
six,
seven,
eight.
Let's drag the correct number into the empty cell.
Do the next tasks by yourself.
Look how the numbers of the second ten are formed.
ten and one – eleven,
ten and two – twelve,
ten and three – thirteen,
ten and four – fourteen,
ten and five – fifteen,
ten and six – sixteen,
ten and seven – seventeen,
ten and eight – eighteen,
ten and nine – nineteen,
ten and ten – twenty.
Let's do the task together.
Let's find the number that matches the number of windows in the house where the light is on.
Look at the screen.
In this house, the light is on in eight windows.
One,
two,
three,
four,
five,
six,
seven,
eight.
Let's drag the correct number into the empty cell.
Do the next tasks by yourself.
7
Choose the missing numbers.
Choose the missing numbers.
8
Count how many windows have the light on.
Choose the house whose number matches the number of windows with light.
Count how many windows have the light on.
Choose the house whose number matches the number of windows with light.
9
Choose the missing numbers.
Choose the missing numbers.
10
Make a short note and solve the problem.
Under the walnut tree, Olenka picked 40 nuts, and Dmytryk – 50.
How many more nuts did Dmytryk pick?
Make a short note and solve the problem.
Under the walnut tree, Olenka picked 40 nuts, and Dmytryk – 50.
How many more nuts did Dmytryk pick?
11
Insert the sign greater, less or equal.
Insert the sign greater, less or equal.
12
Add 20.
Choose the correct numbers.
Add 20.
Choose the correct numbers.
13
Choose the neighbor numbers.
Choose the neighbor numbers.
14
Make a short note and solve the problem.
In the village Shchaslyve on Shevchenko street there are 30 one-story houses and 10 two-story houses.
How many houses are there on Shevchenko street in total?
Make a short note and solve the problem.
In the village Shchaslyve on Shevchenko street there are 30 one-story houses and 10 two-story houses.
How many houses are there on Shevchenko street in total?
15
Find the smallest number.
Choose it.
Find the smallest number.
Choose it.
