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Maths

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Summer term Maths is looking at consolidating what we have already learnt and trying to build on those skills.

This week we are looking at addition and building on to what we already know.

Monday

Group 1 adding 10

3 + 10 =              6 + 10 =       5 + 10 =            14 + 10 =            17 + 10 =     

 

19 + 10 =            20 + 10 =        23 + 10 =          34 + 10 =      59 + 10 =

 

EXT 31 + 10 + 10 =                 45 + 20 =

 

Group 2 adding multiples of 10.

12 + 30 =                     27 + 40 =            34 + 60 =           51 + 50 =

49 + 50 =                    72 + 20 =            14 + 90 =            28 + 20 =

EXT 94 + 30 =              81 + 50 =            124 + 40 =

 

Group 3 adding 2 digit and ones crossing 10

   1a. 8 + 3 =                             1b. 5 + 6 =

    18+ 3 =                             25 + 6 =

    38  + 3 =                            55 + 6 =

    2a. 5 + 9 =                                2b. 6 + 7 =

       55 + 9 =                                    36 + 7 =

       85 + 9 =                                    76 + 7 =

   3a. 7 + 8 =                                 3b. 9 + 9 =

      27  + 8 =                                    19 + 9 =

      97 +  8 =                                    99 + 9 =

EXT make your own!

 

Tuesday

Group 1 add near 10 (9 and 11) for 9 mentally add 10 but take 1 away. For 11 mentally add 10 then 1 more.

3 + 11 =              3 + 9 =               9 + 9 =               9 + 11 =

27 + 11 =             27 + 9 =             34 + 11 =             34 + 9 =

52 + 11 =             52 + 9 =

EXT write your own.

 

Group 2 adding 2 digit and ones – no crossing

1a.       8 + 1 =                           1b. 5 + 4 =

         18+ 1 =                              25 + 4 =

28 + 1 =                              55 + 4 =

    2a. 5 + 5 =                                2b. 6 + 2 =

       55 + 5 =                                    36 + 2 =

       85 + 5 =                                    76 + 2 =

   3a. 7 + 2 =                                 3b. 4 + 3 =

      27  + 2 =                                    14 + 3 =

      97 +  2 =                                    94 + 3 =

EXT cross 10

4 + 7 =

14 + 7 =

44 + 7 =

Group 3 number line addition chunking please watch the clip: https://www.youtube.com/watch?v=SDhIkkm3UTo

Then answer using your own drawn number line

34 + 69 =        77 + 28 =       37 + 26 =      84 + 89 =

45 + 106 =       99 + 47 =      199 + 23 =      65 + 67 =

EXT 234 + 108 =               356 + 19 = 

How would you need to break this further?

 

Wednesday

Group 1  adding multiples of 10.

12 + 20 =                     27 + 30 =            34 + 50 =           51 + 20 =

49 + 40 =                    32 + 20 =           14 + 50 =            28 + 70 =

EXT 74 + 30 =              81 + 50 =            64 + 40 =

 

Group 2 – written method of chunking

For example 45 + 24 =

Add the tens first 40 + 20 = 60

Then add the ones 5 + 4 = 9

Put it together 60 + 9 = 69

34 + 61 =            26 + 72 =            54 + 21 =      44 + 12 =

82 + 11 =             62 + 27 =            16 + 32 =       71 + 14 =

EXT what happens when you cross 10?

34 + 19 =            25 + 29 =

 

Group 3 see the column addition sheet (no regrouping) I have also extended to use 3 digit numbers 

 

Thursday

Group 1 Adding 2 digit and ones no crossing 10

1a.       6 + 1 =                           1b. 2 + 4 =

         16+ 1 =                               22 + 4 =

26 + 1 =                              52 + 4 =

    2a. 4 + 5 =                                2b. 3 + 2 =

       54 + 5 =                                    33 + 2 =

       84 + 5 =                                    73 + 2 =

   3a. 7 + 2 =                                 3b. 5 + 3 =

      27  + 2 =                                    15 + 3 =

      97 +  2 =                                    95 + 3 =

EXT cross 10

6 + 7 =

16 + 7 =

46 + 7 =

Group 2 – adding 2 digit numbers together using chunking on a number line

 number line addition chunking please watch the clip: https://www.youtube.com/watch?v=SDhIkkm3UTo

14 + 49 =      27 + 26 =       35 + 21 =         83 + 12 =

45 + 16 =         49 + 47 =      65 + 23 =       13 + 67 =

EXT 48 + 64 =            53 + 79 = 

Group 3 – column addition using regrouping. Please use the poster to clearly explain regrouping. Again some 3 digit numbers

 

 

Friday is addition problems. Use all the skills you have worked on to work these out. There is some inverse questions where you may need to apply subtraction. Think about your answer and give reason and think if it makes sense? 

Group 1 addition word problems

Group 2 addition problems

group 3 addition problems


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