Primary 3 Multiplication Making equal groups Adding equal

Primary 3 Multiplication Making equal groups Adding equal groups Make arrays WB 25 th January 2020

Monday Step: Adding equal groups (Practical)

Fluency Let’s count back in 10 s … 100 90 80 70 60 50 40 30 20 10

Write an addition sum to represent the picture below? 2+2+2=6 Fluency

Write an addition sum to represent the picture below? 2 + 2 + 2 = 10 Fluency

Write an addition sum to represent the picture below? 5 + 5 = 15 Fluency

Write an addition sum to represent the picture below? 5 + 5 + 5 = 25 Fluency

Write an addition sum to represent the picture below? 10 + 10 = 30 Fluency

Write an addition sum to represent the picture below? 10 + 10 = 50 Fluency

Fluency Match the number of tens to its total. 10 + 10 5+5 2 + 2 +2 + 2

The picture shows 3 + 3. Is Sue correct? No Sue is not correct, the picture shows 2 + 2.

Create a story for the following picture. An example could be: I rolled 5 dice and all of them landed on the number 2. This is equivalent to 10. Problem solving

Tuesday Step: Adding equal groups

How many cherries altogether? 6 2 + 2 = _____ 3 groups of _____ 2 cherries There are _____ 6 which is equivalent to _____. Fluency

How many doughnuts altogether? 10 2 + 2 + 2= _____ 5 groups of _____ 2 doughnuts There are _____ 10 which is equivalent to _____. Fluency

How many pencils altogether? 20 5 + 5 + 5 = _____ 4 groups of _____ 5 pencils There are _____ 20 which is equivalent to _____. Fluency

How many fish altogether? 20 10 + 10= _____ 2 groups of _____ 10 fish There are _____ 20 which is equivalent to _____. Fluency

How many apples altogether? 40 10 + 10= _____ 4 groups of _____ 10 apples There are _____ 40 which is equivalent to _____. Fluency

Fluency Complete the table. Picture Repeated addition 2+2+2 5+5 10 + 10 Bar model Stem sentence 6 3 groups There are ____ 2 2 2 5 10 5 is of ____ which 10 equivalent to ____. 3 groups There are ____ 30 10 6 equivalent to ____. 2 groups There are ____ 10 5 2 is of ____ which 10 10 is of ____ which 30 equivalent to ____.

Fluency Complete the table. Picture Repeated addition 2+2+2+ 2+2 5+5+5+ 5+5 10 + 10 Bar model Stem sentence 10 5 groups There are ____ 2 2 25 5 5 40 10 10 2 is of ____ which 10 equivalent to ____. 5 groups There are ____ 5 is of ____ which 25 equivalent to ____. 4 groups There are ____ 10 is of ____ which 40 equivalent to ____.

Kat and Asha are making equal groups of doughnuts. We need one more group to make 40. We need 10 more doughnuts to make 40. Kat Who do you agree with? Explain why. Both are correct. One more group of ten is the same as adding 10 more doughnuts. Asha

I have nine groups of 2. Jack I have 2 groups of 10. Matt Who has the most? Explain how you know. Matt has the most. 2 groups of 10 = 20. Jack has 9 groups of 2 = 18.

Wednesday Step: Make arrays

What is a row? How many in each row? ____5 How many rows are there? ____2 Fluency

Fluency Complete the sentences. 2 in each row. There are _____ 3 rows. There are _____ 2 + _____2+ _____ =2_____ 6 altogether. There are _____ 6

Fluency Complete the sentences. 5 in each row. There are _____ 2 rows. There are _____ 5 + _____5= _____ 10 altogether. There are _____

Fluency Complete the sentences. 2 in each row. There are _____ 2 rows. There are _____ 2 + _____2= _____ 4 4 altogether. There are _____

Fluency Complete the sentences. 10 in each row. There are _____ 3 rows. There are _____ 10 + _____10+ _____ 10 _____ = _____ 30 30 altogether. There are _____

The matching number sentence is 5 + 5. Dom The matching number sentence is 3 + 3. Kat Who do you agree with? Explain your answer. Dom is correct. There are 5 in each row and there are 3 rows.

What array could be built with 6 cubes? Build, draw and describe the array. or 2 in each row. 3 rows. 3 in each row. 2 rows. Problem solving

Friday Step: Make arrays

Fluency Match the array to its number sentence. 2+2+2+2

Fluency Complete the sentences. 2 in each row. There are _____ 4 rows. There are _____ 2 + _____2+ _____ +2_____ = _____ 2 _____ 8 altogether. There are _____ 8

Fluency Complete the sentences. 5 in each row. There are _____ 3 rows. There are _____ 5 + _____5+ _____ =5_____ 15 15 altogether. There are _____

Fluency Complete the sentences. 10 in each row. There are _____ 4 rows. There are _____ 10 + _____10+ _____ +10_____ = 10 _____ 40 altogether. There are _____ 40

Reasoning What mistake has been made in the array above? There an unequal amount of squares in the array. One of the row contains 4 instead of 5.

Build and draw an array to match the description. There are 5 rows. There are 2 on each row. Problem solving

What is the difference between a row and column? Rows go across Columns go down 2 rows. There are _______ 5 columns. There are _______5 in each row. _______ 2 in each column. Fluency

Fluency Complete the sentences. 4 rows. _______ 2 in each row. _______ 2 columns. _______ 4 in each column. _______

Fluency Complete the sentences. 3 rows. _______ 10 in each row. _______ 10 columns. _______ 3 in each column. _______

Fluency Complete the sentences. 4 rows. _______ 5 in each row. _______ 5 columns. _______ 4 in each column. _______

Fluency Complete the table. Array Describe: Rows Describe: Columns Number sentence 3 rows. _____ 2 columns. 2+2+2 2 in each row. _____ 3 in each column. _____ 3+ 3 2 rows. _____ 5 columns. 5+5 5 in each row. _____ 2 in each column. _____ 2+2+2

Fluency Complete the table. Array Describe: Rows Describe: Columns Number sentence 2 rows. _____ 2 columns. 2 in each row. _____ 2 in each column. _____ 3 rows. _____ 5 columns. 5+5+5 5 in each row. _____ 3 in each column. _____ 3+3+3 2+2

My array has 3 rows and 2 columns. The total number of counters must be an odd number. True or false? False. An array with 2 rows and 3 columns will use 6 counters. 6 is an even number.

The number sentence that represents the array is: 10 + 10 Complete the array to show this. Problem solving