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- Solve + and - problems by:
- Rearranging numbers to make ten
- Rearranging to find compatible numbers
- Using tidy numbers
- Using doubles
- Splitting up and down over 10s
- Using place value but not crossing of tens
- Finding the missing ones and tens
GENERAL + AND - GAMES
GENERAL + AND - GAMES
(Specific Strategy Activities below)
(Specific Strategy Activities below)
Book 4/5
Book 4/5
Page 64 At the fair
Page 64 At the fair
Page 65 Rugby Season
Page 65 Rugby Season
Page 66 At the hot pools
Page 66 At the hot pools
Page 68 Using number lines
Page 68 Using number lines
Page 98 The Bakery
Page 98 The Bakery
GAME: Sink the Ship Page 100
GAME: Sink the Ship Page 100
Page 103 Missing numbers
Page 103 Missing numbers
Book 5
Book 5
Page 45 Practice time 1 - 3
Page 45 Practice time 1 - 3
Page 92 It's all about food Numbers 1 - 7
Page 92 It's all about food Numbers 1 - 7
Page 42 - 43 At the movies
Page 42 - 43 At the movies
Page 44 Pair and Share
Page 44 Pair and Share
Page 74 Getting to the hangi
Page 74 Getting to the hangi
Page 75 Three ways
Page 75 Three ways
GAME: Page 76
GAME: Page 76
Page 77 Zoo Vets
Page 77 Zoo Vets
These games use .swf so may not work in your browser
1. Solve + and – problems by rearranging numbers to MAKE TEN
1. Solve + and – problems by rearranging numbers to MAKE TEN
Book 4/5
Page 60-63
Page 60-63
Book 5
Page 32 - 35
Page 32 - 35
TASK 1: Show it!
TASK 1: Show it!
Show how you would make tens to solve these 3 problems
Show how you would make tens to solve these 3 problems
7 + 5 + 3 8 + 6 + 4 5 + 8 + 5
7 + 5 + 3 8 + 6 + 4 5 + 8 + 5
TASK 2: Choose it!
TASK 2: Choose it!
Which of these 3 problems would be best used for rearranging to MAKE TEN?
Which of these 3 problems would be best used for rearranging to MAKE TEN?
Record yourself explaining why it would be a good strategy to use for the particular equation.
Record yourself explaining why it would be a good strategy to use for the particular equation.
8 + 4 + 3 9 + 4 + 6 7 + 6 + 8
8 + 4 + 3 9 + 4 + 6 7 + 6 + 8
2. Solve + and – problems by rearranging to FIND COMPATIBLE NUMBERS
2. Solve + and – problems by rearranging to FIND COMPATIBLE NUMBERS
Book 5
Book 5
Pg 38-41
Pg 38-41
TASK 1: Show it!
TASK 1: Show it!
Show how you would FIND COMPATIBLE NUMBERS to solve these 3 problems
Show how you would FIND COMPATIBLE NUMBERS to solve these 3 problems
7 + 5 + 3 - 4 18 - 4 + 2 + 4 5 + 8 - 5
7 + 5 + 3 - 4 18 - 4 + 2 + 4 5 + 8 - 5
TASK 2: Choose it!
TASK 2: Choose it!
Which of these 3 problems would be best used for rearranging to FIND COMPATIBLE NUMBERS?
Which of these 3 problems would be best used for rearranging to FIND COMPATIBLE NUMBERS?
Record yourself explaining why it would be a good strategy to use for the particular equation.
Record yourself explaining why it would be a good strategy to use for the particular equation.
8 + 4 - 5 + 3 9 + 4 + 1 - 6 1+ 7 + 3 - 8
8 + 4 - 5 + 3 9 + 4 + 1 - 6 1+ 7 + 3 - 8
3. Solve + and – problems by using TIDY NUMBERS
3. Solve + and – problems by using TIDY NUMBERS
Book 4/5
Page 92 - Activity 1
Page 94 - Activity 2
GAME: Page 96
Book 5
Page 78 Activity
GAME: Page 81
TASK 1: Show it!
TASK 1: Show it!
Show how you would use TIDY NUMBERS to solve these 3 problems
Show how you would use TIDY NUMBERS to solve these 3 problems
38 + 25 = 46 - 29 = 42 - 17=
38 + 25 = 46 - 29 = 42 - 17=
TASK 2: Choose it!
TASK 2: Choose it!
Which of these 3 problems would be the best to use
Which of these 3 problems would be the best to use
TIDY NUMBERS?
TIDY NUMBERS?
Record yourself explaining why it would be a good strategy to use for the particular equation.
Record yourself explaining why it would be a good strategy to use for the particular equation.
45 + 56 = 91 - 47 = 154 + 73 =
45 + 56 = 91 - 47 = 154 + 73 =
4. Solve + and – problems by using NEAR DOUBLES
4. Solve + and – problems by using NEAR DOUBLES
TASK 1: Show it!
TASK 1: Show it!
Show how you would use NEAR DOUBLES to solve these 3 problems
Show how you would use NEAR DOUBLES to solve these 3 problems
7 + 6 31 + 33 47 + 49
7 + 6 31 + 33 47 + 49
TASK 2: Choose it!
TASK 2: Choose it!
Which of these 3 problems would be the best to use
Which of these 3 problems would be the best to use
NEAR DOUBLES
NEAR DOUBLES
Record yourself explaining why it would be a good strategy to use for the particular equation.
Record yourself explaining why it would be a good strategy to use for the particular equation.
43 + 38 = 55 + 76 = 27 + 45 =
43 + 38 = 55 + 76 = 27 + 45 =
5. Solve + and – problems by SPLITTING UP AND DOWN OVER 10s
5. Solve + and – problems by SPLITTING UP AND DOWN OVER 10s
Book 4/5
Page 72 Activity 1
Page 74 Activity 2
GAME: Page 76
Page 79 Activity 1
Page 80 Activity 2
GAME: Page 82
Page 85 Activity 1
Page 86 Activity 2
GAME: Page 82
Book 5
Page 48 Activity 1
Page 54 Activity
Page 61 Activity
GAME: Page 64
TASK 1: Show it!
TASK 1: Show it!
Show how you would use SPLITTING UP AND DOWN OVER 10s to solve these 6 problems
Show how you would use SPLITTING UP AND DOWN OVER 10s to solve these 6 problems
7 + 6 = 17 + 8 = 47 + 7 =
7 + 6 = 17 + 8 = 47 + 7 =
15 + 7 = 56 + 5 = 98 + 8 =
15 + 7 = 56 + 5 = 98 + 8 =
TASK 2: Choose it!
TASK 2: Choose it!
Which of these 3 problems would be the best to use
Which of these 3 problems would be the best to use
SPLITTING UP AND DOWN OVER 10S
SPLITTING UP AND DOWN OVER 10S
Record yourself explaining why it would be a good strategy to use for the particular equation.
Record yourself explaining why it would be a good strategy to use for the particular equation.
16 + 7 = 55 + 19 = 34 + 56 =
16 + 7 = 55 + 19 = 34 + 56 =
6. Solve + and – problems by using PLACE VALUE - but not crossing of tens
6. Solve + and – problems by using PLACE VALUE - but not crossing of tens
Book 4/5
Pg 29 Activity 1
Page 30 Activity 2
Page 32 Activity 3
Page 34 Activity 1
Page 36 Activity 2
Page 38 Activity 3
GAME: Page 40
Book 5
Page 66 - 69
Page 70 - 73
TASK 1: Show it!
TASK 1: Show it!
Show how you would use PLACE VALUE to solve these 4 problems
Show how you would use PLACE VALUE to solve these 4 problems
42 + 36 23 + 55
42 + 36 23 + 55
74 - 32 38 - 16
74 - 32 38 - 16
TASK 2: Choose it!
TASK 2: Choose it!
Which of these 3 problems would be the best to use
Which of these 3 problems would be the best to use
THE PLACE VALUE STRATEGY?
THE PLACE VALUE STRATEGY?
Record yourself explaining why it would be a good strategy to use for the particular equation.
Record yourself explaining why it would be a good strategy to use for the particular equation.
76 + 18 = 55 - 19 = 34 - 12 =
76 + 18 = 55 - 19 = 34 - 12 =
7. Solve + and – problems by FINDING THE MISSING TENS AND ONES
7. Solve + and – problems by FINDING THE MISSING TENS AND ONES
Book 4/5
Page 43 Activity 1
Page 44 Activity 2
Page 46 Activity 3
TASK 1: Show it!
TASK 1: Show it!
Show how you would use FINDING THE MISSING TENS AND ONES to solve these 6 problems
Show how you would use FINDING THE MISSING TENS AND ONES to solve these 6 problems
26 + ? = 78 47 - ? = 23 58 - ? = 22
26 + ? = 78 47 - ? = 23 58 - ? = 22
15 + ? = 36 52 + ? = 95 76 - ? = 31
15 + ? = 36 52 + ? = 95 76 - ? = 31
TASK 2: Choose it!
TASK 2: Choose it!
Which of these 3 problems would be the best to use
Which of these 3 problems would be the best to use
FINDING THE MISSING TENS AND ONES
FINDING THE MISSING TENS AND ONES
Record yourself explaining why it would be a good strategy to use for the particular equation.
Record yourself explaining why it would be a good strategy to use for the particular equation.
37 + ? = 82 48 - ? = 22 72 - ? = 36
37 + ? = 82 48 - ? = 22 72 - ? = 36
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