Primary 3 Multiplication Recognise equal groups Make equal
- Slides: 34
Primary 3 Multiplication Recognise equal groups Make equal groups Add equal groups Multiplication using the x symbol Multiplication sentences using pictures WB 25 th January 2020
Monday Step: Make equal groups
Fluency Tick ( ) the sentences that describes the groups below. a) There are 5 equal groups with 3 in each group. b) There are 3 equal groups with 5 in each group.
Match the pictures to the correct group number. 2 groups of 4 3 groups of 3 3 groups of 5
These groups are equal. True or false? Explain how you know. True, these groups are both equal. There are 6 stars in each group. Reasoning
How can you make the groups equal? Move one bear from the group on the left to the group on the right. This will make 2 equal groups of 5.
These groups are equal. True or false? False. One group shows 4 stars, the other group shows 3 stars. What could we do to make them equal? Remove one star away from the group 1 or add one star to group 2. Problem solving
Tuesday Step: Add equal groups
Complete the following sentences. There are ____ 2 equal groups with ____ in 4 each group. There are ____ 2 4 s. ____ 4 + ____4= 8 Fluency
Complete the following sentences. There are ____ 3 equal groups with ____ in 3 each group. There are ____ 3 3 s. ____ 3 + ____3+ ____ = 39 Fluency
Complete the following sentences. There are ____ 2 equal groups with ____ in 5 each group. There are ____ 2 5 s. ____ 5 + ____5= 10 Fluency
Complete the following sentences. There are ____ 2 equal groups with ____ in 6 each group. There are two ____s. 6 ____ 6 + ____6= 12
Complete the following sentences. There are ____ 2 equal groups with ____ in 10 each group. There are two ____s. 10 ____ 10 + ____10= 20 Fluency
Complete the following sentences. There are ____ 3 equal groups with ____ in 2 each group. There are three ____s. 2 ____ 2 + ____2+ ____ = 26 Fluency
Complete the following sentences. There are ____ 3 equal groups with ____ in 4 each group. There are three ____s. 4 ____ 4 + ____4+ ____ = 412
Jack says the picture below shows 3 + 3 + 3. Is Jack correct? No, Jack is not correct. The picture shows 5 + 5 as there are 3 equal groups of 5.
Show a way of displaying 4 equal groups with 2 in each group. Example answer: Problem solving
Wednesday Step: Multiplication using the x symbol
Complete the sentences to describe the equal groups. 3 + ______3= 6 ______ 2 x ______3 = 6 ______ 2 equal groups with ______ in 3 each group. There are ______ 3 There are two ______s. Fluency
Complete the sentences to describe the equal groups. 3 + ______3+ ______= 93 ______ 3 x ______3 = 9 ______ 3 equal groups with ______ in 3 each group. There are ______ 3 There are three ______s. Fluency
Complete the sentences to describe the equal groups. 5 + ______5+ ______= 15 5 ______ 3 x ______5 = 15 ______ 3 equal groups with ______ in 5 each group. There are ______ 5 There are three ______s. Fluency
Fluency Complete: Addition Multiplication 2+2 2 x 2 3+3 2 x 3 3+3+3 3 x 3 4+4+4 3 x 4 5+5+5 3 x 5 Can you think of a story to go with each calculation?
Use <, > or = to make the statements correct. 5+5+5 > 2 x 5 3 x 4 = 4+4+4 3 x 5 < 10 + 10 Fluency
Reasoning Ben says, 3 x 4=4+4+4 Is Ben correct? Explain how you know. Ben is correct as: 3 x 4 = 12 4 + 4 = 12
Complete the comparison to make it true. 5+5+5 > ______ x ______ Any answer that multiplies to an answer less than 15. Example: 5+5+5 > 2 x 5 Problem solving
Friday Step: Multiplication sentences using pictures
Fluency Complete: ______ 3 x ______3= ______ 9 ______ 3 lots of 3 = ______ 9 ______ 3 multiplied by ______ =3 9
Complete: ______ 3 x ______5= ______ 15 ______ 3 lots of 5 = ______15 3 multiplied by ______ =5 15 _____
Complete: ______ 3 x ______4= ______ 12 ______ 3 lots of 4 = ______12 ______ 3 multiplied by ______ =412
Fluency Complete: ______ 3 x ______6= ______ 18 ______ 3 lots of 6 = ______18 ______ 3 multiplied by ______ =618
Complete using <, > or =. = 3 lots of 4 2 x 5 > < 3 multiplied by 3
Complete the table. 3 x 5 3 lots of 5 is equal to 15 3 x 4 3 lots of 4 is equal to 12 2 x 5 2 lots of 5 is equal to 10 2 x 10 2 lots of 10 is equal to 20 3 x 6 3 lots of 6 is equal to 18
Reasoning 5 x 3 is the same as 5 lots of 3. True False Explain your answer. True. 5 x 3 is the same as 5 lots of 3 or three 5 s. 5 x 3 = 15 and 5 lots of 3 = 15
Write a sensible story for the calculation 6 x 3 = 18. Draw a picture to represent this. Example story: There are 6 plates. There are 3 bananas on each plate. There are 18 bananas altogether. Problem solving
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