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Translate / Traduire / Übersetzen / Tłumaczyć / Išversti / Tulkot / Traducir St Joseph's Catholic

Primary School

Inspired by the life of St Joseph, we live, love and learn together

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### Contact Details # Maths

## Most of below in a document

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

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 =

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 =

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 =

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

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

## Poster to support regrouping

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?