Sepetiniz boş
Practice
{{exercise_number}}. Arrange the numbers in descending order. Circle the even numbers.
17, 9, 4, 11, 2, 0, 20, 13
>
>
>
>
>
>
>
{{exercise_number}}. Continue the sequences.
20,
17,
14,
6,
8,
10,
{{exercise_number}}. Write down the neighbouring numbers.
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
4
9
15
13
19
10
2
7
{{exercise_number}}. Mark the sums on the number line.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1+2
2+3
7+1
6+2
11+4
15+2
19+1
14+5
11+5
4+7
5+4
3+3
2+1
3+1
{{exercise_number}}. Do the additions and subtractions.
6
5
5
2
6
4
1
2
+
+
+
+
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
3
7
8
6
+
+
+
+
9
6
3
5
3
4
2
4
8
8
5
3
-
-
-
-
9
8
7
5
12
11
15
18
-
-
-
-
{{exercise_number}}. Do the operations shown by the arrows.
12
+3
-4
+2
+6
-7
+5
-1
+4
{{exercise_number}}. Fill in the missing numbers.
4
9
7
13
15
6
12
8
7
15
13
18
12
5
10
6
8
14
9
13
14
8
16
9
+
+
-
-
-
-
+
+
+
+
-
-
{{exercise_number}}. Do the operations shown by the arrows.
+6
+3
-7
+2
-5
+1
15
+6
-9
+8
-6
+5
-4
12
-8
+7
-2
-4
-3
+10
10
{{exercise_number}}. 9 of the 18 students went home. How many are still at school?
=
\latex{ \Huge \cdot}
\latex{ \Huge \cdot}
=
{{exercise_number}}. 12 girls from the class bought tickets to the theatre, 4 more than boys. How many boys bought tickets?
=
=
\latex{ \Huge \cdot}
\latex{ \Huge \cdot}
How many students bought tickets in total?
=
=
\latex{ \Huge \cdot}
\latex{ \Huge \cdot}
{{exercise_number}}. A fish tank has 5 blue fish, 6 less than red fish. How many fish are in the tank?
=
=
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\latex{ \Huge \cdot}
There are 16 fish.
{{exercise_number}}. Determine the rule and fill in the table.
3
8
9
2
8
5
7
11
6
8
9
7
7
5
4
7
13
16
11
14
16
12
16
=
=
=
{{exercise_number}}. Mark the correct open formulas and continue filling in the table.
+
+2
=
=
=
=
+
-
+2
-
-
+
=
9
6
4
8
3
7
12
4
11
10
8
5
5
7
6
5
12
10
9
12
16
20
16
-
2
+
+
2
-
=
2
2
{{exercise_number}}. What numbers make the open formulas true? The number line helps you.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
4
7
+
<
8
+
9
>
4
+
7
<
<
8
+
9
4
+
7
<
+
2
<
8
+
9
:
:
:
:
...
...,
{{exercise_number}}. Peter sent 7 postcards from summer camp, 4 less than Julie. How many did they send altogether?
=
=
\latex{ \Huge \cdot}
\latex{ \Huge \cdot}
They sent 18 postcards altogether.
{{exercise_number}}. Use three colours (red, blue, and yellow) to make each ball different.
