Ostukorv on tühi
MULTIPLYING AND DIVIDING BY 3
What can you see in the picture? How many candles and candle holders are there?
{{exercise_number}}. How many candles can you put on 2, 5 and 6 candle holders? Use both addition and multiplication.
3
\latex{+}
3
\latex{=}
6
2
\latex{\times}
3
\latex{=}
6
+
+
+
+
\latex{=}
\latex{=}
\latex{\times}
+
+
+
+
+
\latex{=}
\latex{=}
\latex{\times}
{{exercise_number}}. How many candle holders do you need to hold 9, 12 and 21 candles?
Calculate using division.
9
\latex{\div}
\latex{=}
\latex{=}
\latex{=}
\latex{\div}
\latex{\div}
{{exercise_number}}. Move along the number line in steps of three.
0
1
2
3
4
5
6
7
8
9
10
15
20
25
30
Write the numbers you step on in ascending order.
How many steps did it take to get to:
These are the multiples of 3.
0,
3,
\latex{\times}
\latex{\times}
\latex{\times}
\latex{\times}
\latex{\div}
\latex{\div}
\latex{\div}
\latex{\div}
3
3
3
3
3
3
3
3
3
1
1
5
5
2
2
7
7
6
6
3
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
3?
6?
27?
15?
,
,
,
,
,
,
,
,
{{exercise_number}}. Memorise the table of multiplication and division by 3. Write the missing numbers in the snake.
1 \latex{\times} 3 = 3
2 \latex{\times} 3 = 6
3 \latex{\times} 3 = 9
4 \latex{\times} 3 = 12
5 \latex{\times} 3 = 15
6 \latex{\times} 3 = 18
7 \latex{\times} 3 = 21
8 \latex{\times} 3 = 24
9 \latex{\times} 3 = 27
10 \latex{\times} 3 = 30
30 \latex{\div} 3 = 10
27 \latex{\div} 3 = 9
24 \latex{\div} 3 = 8
21 \latex{\div} 3 = 7
18 \latex{\div} 3 = 6
15 \latex{\div} 3 = 5
12 \latex{\div} 3 = 4
9 \latex{\div} 3 = 3
6 \latex{\div} 3 = 2
3 \latex{\div} 3 = 1
3
6
{{exercise_number}}. Louis grabbed a bag of logical blocks and took out 3 blocks of each colour. How many blocks does he have? Act the task out. Do the operations.
3+3+3+3=12
He picked 12 pieces.
\latex{\times}
\latex{=}
\latex{\div}
\latex{=}
{{exercise_number}}. During gym class, the pupils formed 3 groups. How many pupils were in each group if the total number of students in the class is 24?
There were 8 people in a group.
\latex{\div}
\latex{\times}
\latex{=}
\latex{=}
{{exercise_number}}. How many counting sticks do you need to form the letter Z twice, three times, four times and five times? Count your sticks and fill in the table.
using
addition
addition
using
multiplication
multiplication
How many Z-s can you form out of
6
21
9
27
2
3
4
5
3
+
3
2
\latex{\times}
\latex{\times}
\latex{\times}
\latex{\times}
3
\latex{=}
\latex{=}
\latex{=}
\latex{=}
6
6
3
2
\latex{\div}
\latex{\div}
\latex{\div}
\latex{\div}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
sticks
sticks
sticks
sticks
{{exercise_number}}. Fill in the missing numbers.
5
3
2
7
8
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
1
1
1
1
1
1
5
4
2
2
2
8
8
8
9
9
6
0
3
0
\latex{\times}
\latex{\times}
\latex{\times}
\latex{\times}
\latex{\times}
\latex{\times}
\latex{\times}
\latex{\times}
\latex{\times}
\latex{\times}
\latex{\div}
\latex{\div}
\latex{\div}
\latex{\div}
\latex{\div}
\latex{\div}
\latex{\div}
\latex{\div}
\latex{\div}
\latex{\div}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
\latex{=}
{{exercise_number}}. Do the operations, then colour in the numbers in the table using the right colour.
7\latex{\times}3\latex{=}
5\latex{\times}3\latex{=}
18\latex{\div}3\latex{=}
9\latex{\times}3\latex{=}
12\latex{\div}3\latex{=}
27\latex{\div}3\latex{=}
0
7
2
8
9
3
6
0
1
5
5
1
4
2
3
2
2
1
8
7
2
{{exercise_number}}. Examine what the machine does. Complete the table.
\latex{\times}3
\latex{\times}3
\latex{=}
\latex{=}
2
6
7
30
18
8
4
15
3
÷3
{{exercise_number}}. Use the correct symbol (<, >, =) for each pair of numbers.
4
8
3
3
3
3
3
8
2
\latex{\times}
\latex{\times}
\latex{\times}
\latex{+}
\latex{+}
3
2
3
7
3
3
2
1
2
\latex{\times}
\latex{\times}
\latex{\times}
\latex{\div}
3
8
1
1
5
3
5
3
1
8
2
\latex{\times}
\latex{-}
\latex{\div}
\latex{\div}
{{exercise_number}}.
The Smiths received visitors: three times as many children as the number of children in their family. Draw the guests in the set diagram. Complete the sentence.
With all the guests together, there are
times as many children as adults.
The Smiths
The guests
{{exercise_number}}. Pim, Pam and Pom divided a chocolate bar consisting of 12 small pieces into three equal parts. How many small pieces did each of them get?
little pieces for each girl, which is one-third of the chocolate bar.
12
4
4
4
12 \latex{\div} 3 =
\latex{\times} 3 = 12
{{exercise_number}}. Draw one-third of the shapes. Write the operations in the squares.
\latex{\div}3
\latex{\div}3
{{exercise_number}}. Draw three times the shapes. Write the operations in the squares.
\latex{\times}3
\latex{\times}3
{{exercise_number}}. One-third of the second graders have travelled by plane. If there are 27 students in the class, how many students have been on a plane?
There were 9 students on the plane.
{{exercise_number}}. Fill in the missing numbers.
3 times
3 times
3 times
3 times
3 times
3 times
one third of
one third of
one third of
one third of
one third of
one third of
3
15
8
6
7
30
