Theme Tasks catalog
Adding and subtracting 7. Comparing values of number expressions
• You will learn how to add and subtract 7 using a number line;
• You will learn to calculate expressions with adding and subtracting 7;
• You will solve problems to find the sum, the difference, to increase a number by a few units, and to compare numbers by difference;
• You will practice finding the sum of three addends and the difference with two subtrahends;
• You will learn to compare the values of number expressions.
• You will learn to calculate expressions with adding and subtracting 7;
• You will solve problems to find the sum, the difference, to increase a number by a few units, and to compare numbers by difference;
• You will practice finding the sum of three addends and the difference with two subtrahends;
• You will learn to compare the values of number expressions.
1
Let's see how to add 7 using a number line.
For example, to add 7 to 1,
you need to make 7 steps to the right from 1 on the number line.
You get 8.
Next, we think the same way:
add 7 to 2 and get 9,
add 7 to 3 and get 10.
Remember the results of adding 7.
Let's see how to add 7 using a number line.
For example, to add 7 to 1,
you need to make 7 steps to the right from 1 on the number line.
You get 8.
Next, we think the same way:
add 7 to 2 and get 9,
add 7 to 3 and get 10.
Remember the results of adding 7.
2
Use the number line to write the equation.
Drag the correct numbers and symbols into the boxes.
Use the number line to write the equation.
Drag the correct numbers and symbols into the boxes.
3
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
4
Fill in the blanks. Choose the right numbers.
Fill in the blanks. Choose the right numbers.
5
Look at the ten-frames and find the missing numbers.
Drag the numbers to make true equations, and see who is hiding in the fruit.
Look at the ten-frames and find the missing numbers.
Drag the numbers to make true equations, and see who is hiding in the fruit.
6
Listen to the story Problem.
Emma picked 3 lilies and 7 roses for a bouquet.
How many flowers did she pick in all?
Complete the number bond. Drag the numbers from the story.
Listen to the story Problem.
Emma picked 3 lilies and 7 roses for a bouquet.
How many flowers did she pick in all?
Complete the number bond. Drag the numbers from the story.
7
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
8
Find the missing part. Drag the correct number.
Find the missing part. Drag the correct number.
9
Listen to the story Problem.
Luke’s book has 7 pages. He read 3 pages.
How many pages does Luke have left to read?
Complete the number bond. Drag the numbers from the story.
Listen to the story Problem.
Luke’s book has 7 pages. He read 3 pages.
How many pages does Luke have left to read?
Complete the number bond. Drag the numbers from the story.
10
Let's see how to subtract 7 using a number line.
For example, to subtract 7 from 9,
you need to make 7 steps to the left from 9 on the number line.
You get 2.
Next, we think the same way:
if you subtract 7 from eight, you get 1,
if you subtract 7 from nine, you get 2,
if you subtract 7 from ten, you get 3.
Remember the results of subtracting 7.
Let's see how to subtract 7 using a number line.
For example, to subtract 7 from 9,
you need to make 7 steps to the left from 9 on the number line.
You get 2.
Next, we think the same way:
if you subtract 7 from eight, you get 1,
if you subtract 7 from nine, you get 2,
if you subtract 7 from ten, you get 3.
Remember the results of subtracting 7.
11
Use the number line to write the equation.
Drag the correct numbers and symbols into the boxes.
Use the number line to write the equation.
Drag the correct numbers and symbols into the boxes.
12
Look at the ten-frames and find the missing numbers.
Drag the numbers to make true equations.
Look at the ten-frames and find the missing numbers.
Drag the numbers to make true equations.
13
Subtract to find the missing part. Drag the correct numbers.
Subtract to find the missing part. Drag the correct numbers.
14
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
15
Make a short note and solve the problem.
For the children's home, they bought 4 sofas, and wardrobes — 5 more.
How many wardrobes did they buy for the children's home?
Make a short note and solve the problem.
For the children's home, they bought 4 sofas, and wardrobes — 5 more.
How many wardrobes did they buy for the children's home?
16
Calculate. Choose the correct numbers.
Calculate. Choose the correct numbers.
17
Drag and drop the correct sign to compare the expressions.
Drag and drop the correct sign to compare the expressions.
18
Listen to the story Problem.
Mom baked 10 chocolate cupcakes and 7 vanilla cupcakes.
How many fewer vanilla cupcakes did Mom bake than chocolate cupcakes?
Complete the tape diagram. Drag and drop the numbers from the story.
Listen to the story Problem.
Mom baked 10 chocolate cupcakes and 7 vanilla cupcakes.
How many fewer vanilla cupcakes did Mom bake than chocolate cupcakes?
Complete the tape diagram. Drag and drop the numbers from the story.
19
Calculate. Choose the right numbers.
Calculate. Choose the right numbers.
