YEAR 2 Multiplication Division Arrays Make doubles 2

YEAR 2 Multiplication & Division Arrays Make doubles 2 x tables 5 x tables 10 x tables Block 1 – Week 2

Lesson 1 Step: Arrays

Fluency Write number sentences to match the array. 2 x ____3 ____ and ____ x 3____ 2

Fluency Write number sentences to match the array. 3 x ____5 ____ and ____ x 5____ 3

Fluency Write number sentences to match the array. 4 x ____10 and ________ x 10____ 4

Fluency Write number sentences to match the array. 4 x ____2 ____ and ____ x 2____ 4

Fluency Write number sentences to match the array. 6 x ____5 ____ and ____ x 5____ 6

Fluency Write number sentences to match the array. 5 x ____10 and ________ x 10____ 5

Fluency Draw an array that will show 3 x 2. How else could you describe this array? ____ 2 x ____ 3

Fluency Draw an array that will show 5 x 3. How else could you describe this array? ____ 3 x ____ 5

Fluency Match the arrays to their multiplication. 2 x 8 4 x 5 2 x 10

The array below shows 3 x 10. True or false? Example how you know. False. The array shows 3 x 9. Reasoning

Part of the array is hidden. The total is less than 12. What could the array be? List all possibilities as number sentences. 2 x 3 2 x 4 2 x 5 Problem solving

Lesson 2 Step: Make doubles

Fluency Has this representation been doubled? No

Fluency Has this representation been doubled? No

Fluency Has this representation been doubled? Yes

Fluency Has this representation been doubled? No

Fluency Has this representation been doubled? No

Fluency 2 Double 1 is _______

Fluency 4 Double 2 is _______

Fluency Double _____7 is _____14

Fluency Double _____5 is _____10

Reasoning Dom says, If I double 4, the answer will be equal to 12 – 6. Do you agree with Dom? No, double 4 is 8. 12 – 6 = 6.

Problem solving Double 8? is 16

Fluency Double _____3 is _____ 6

Fluency Double _____4 is _____ 8

Fluency Double _____7 is _____14

Fluency 10 is _____20 Double _____

Fluency Complete the table. Build Represent Add Double 1+1=2 2 Double 1 = ______ 2+2=4 4 Double 2 = ______

Fluency Complete the table. Build Represent Add Double 3+3=6 6 Double 3 = ______ 4+4=8 8 Double 4 = ______

Reasoning Spot and explain the mistake. Build Represent Add Double 5 + 5 = 10 Double 5 = 10 There are 12 cubes in total (6 have been doubled). There should be 10 cubes in total (5 doubled).

Problem solving Double the amount shown will give an even number. True or false? Explain how you know. True. Double 6 = 12.

Lesson 3 Step: 2 x tables

Fluency How many wheels altogether? 6 wheels in total. There are ____ 3 x ____2 ____

Fluency How many cherries altogether? 12 cherries in total. There are ____ 6 x ____2 ____

Fluency How many straws altogether? 14 straws in total. There are ____ 7 x ____2 ____

Fluency Complete the number tracks. 2 4 6 8 10 12 14 16 18 20 22 24 10 12 14 16 18 20

Fluency Match the number sentences to the correct answer. 8 x 2= 12 5 x 2= 20 6 x 2= 14 10 x 2 = 16 7 x 2= 10

Reasoning 10 x 2 = 22 No Is Rob correct? ____ Explain how you know. 10 x 2 = 20 (not 22).

Problem solving Complete: a) 4 =8 2 x ____ d) 2 = 12 6 x ____ b) 5 x 2 = 10 ____ e) 9 x 2 = 18 ____ c) 14 7 x 2 = ____ f) 20 10 x 2 = ____

Lesson 4 Step: 5 x tables

Fluency How many marbles altogether? 20 marbles in total. There are ____ 4 x ____5 ____

Fluency How many fingers altogether? 25 fingers in total. There are ____ 5 x ____5 ____

Fluency

Fluency How many petals altogether? 35 petals in total. There are ____ 7 x ____5 ____

Fluency How many balloons altogether? 15 balloons in total. There are ____ 3 x ____5 ____

Fluency Match the number sentences to the correct answer. 8 x 5= 45 10 x 5 = 50 9 x 5= 40 2 x 5= 25 5 x 5= 10

How many hands are there if there are 40 fingers? 8 x 5 = 40 _____ How did you work this out? What was the easiest method? Fluency

There are 45 Christmas lights. How sets of lights are there? 9 x 5 = 45 _____ How did you work this out? What was the easiest method? Fluency

Fluency Compare the multiplications using <, > or =. 3 x 5 > 5 x 2 10 x 5 = 5 x 10 4 x 5 < 11 x 2

Reasoning Kat says, The bar model shows 5 lots of 6. Is Kat correct? ____ Explain how you know. The bar model shows 6 lots of 5 (6 x 5). 30 5 5 5

Cookies come in packs of 5. Mo has 18 cookies. How many full packs can be made and how many left over? Mo can make 3 full packs of 5 cookies with 3 left over. Problem solving

Lesson 5 Step: 10 x tables

Fluency How many apples altogether? 30 apples in total. There are ____ 3 x ____10 ____

Fluency How many pencils altogether? 100 pencils in total. There are ____ 10 x ____10 ____

Fluency How many cakes altogether? 50 cakes in total. There are ____ 5 x ____10 ____

Fluency There are 80 fish. How many tanks are there? 8 x 10 = 80 ______ How did you work this out? What was the easiest method?

Fluency How many pencil pots are there if there are 70 pencils? 7 x 10 = 70 ______ How did you work this out? What was the easiest method?

Fluency There are 120 cupcakes. How plates are there? 12 x 10 = 120 ______ How did you work this out? What was the easiest method?

Fluency Write a number sentence to make the ordered number sentences true. 2 x 10 smallest 3 x 10 or 4 x 10 5 x 10 greatest

Fluency Write a number sentence to make the ordered number sentences true. 4 x 10 smallest 5 x 10, 6 x 10 or 7 x 10 8 x 10 greatest

Reasoning Che creates a number track counting up in 10 s from 50. 50 60 70 80 90 110 120 What mistake has Che made? Che has missed the number 100 from the number track. The number track goes up in 10 s.

Problem solving Help Asha complete the following problem: Can you help me find a multiplication fact for this problem? 2 x 10 smallest 3 x 10, 5 x 5, 6 x 5 or 7 x 5 8 x 5 greatest