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- Solve + and - problems by:
- (with whole numbers) by using common factors
- (with decimals) by compensating from tidy numbers (including equal additions) & using Place Value Partitioning
- (with fractions) with related denominators
- (with integers) including negative numbers
- using written algorithm
- reversing + and -
1. (with whole numbers) + and - by using common factors
1. (with whole numbers) + and - by using common factors
REVISION
REVISION
Book 7.1
Book 7.1
pg 18 - 21
pg 18 - 21
COMMON FACTORS
COMMON FACTORS
Book 7.1
Book 7.1
pg 22 - 27
pg 22 - 27
Solve these equations by using common factors
45 + 72 =
45 + 72 =
64 + 48 =
64 + 48 =
144 + 48 =
144 + 48 =
96 - 39 =
96 - 39 =
49 - 28 =
49 - 28 =
132 - 77 =
132 - 77 =
2. (with decimals) + and - by compensating from tidy numbers (including equal additions) & using Place Value Partitioning
2. (with decimals) + and - by compensating from tidy numbers (including equal additions) & using Place Value Partitioning
Number Yrs 7/8 level 4 Book 3
You'll need a copy of this resource
"Going for Gold" Page 12
Book 7.2
Book 7.2
pg 68 -71
pg 72 - 77
pg 78 - 81
pg 82 -89
Number Level 3 Bk 2
You'll need a copy of this resource
"Target Time" Page 16
"Dallying with Decimals" Page 17
Proportional Reasoning Level 3+
"Make 1.5" Page 18
Which of these problems would you use TIDY NUMBERS to solve, and WHY?
4.3 + 3.45 9.78 + 10.02 14.85 - 7.12
Which of these problems would you use PLACE VALUE to solve, and WHY?
4.32 + 2.6 3.983 - 1.76 2.4 - 1.68
3. (with fractions) + and - with related denominators
3. (with fractions) + and - with related denominators
Book 7.2
Book 7.2
pg 36 - 37
pg 36 - 37
Number Level 3 Book 3
"Stacking Up" Page 20
"Stacking Up" Page 20
Number Yrs 7/8 Level 4 Book 5
You'll need a copy of this resource
"Egyptian Fractions" Page 23
"Egyptian Fractions" Page 23
Solve these equations
Solve these equations
4. (with integers) + and - including negative numbers
4. (with integers) + and - including negative numbers
Book 7.1
Book 7.1
pg 28 - 39
pg 28 - 39
Page 30-33
Page 30-33
Page 34-38
Page 34-38
Page 39
Page 39
Number Years 7/8 Level 4 Book 4
You'll need a copy of this resource
"It's a try" Page 8
"It's a try" Page 8
"Lifting Weights" Page 9
"Lifting Weights" Page 9
"Integer Zap" Page 10
"Integer Zap" Page 10
"Shifty Subtraction" Page 15
"Shifty Subtraction" Page 15
SOLVE THESE EQUATIONS
5. Solve + and - using written algorithm
5. Solve + and - using written algorithm
Copy and complete the equations below using written algorithm:
Copy and complete the equations below using written algorithm:
SOLVE THESE EQUATIONS
using Algorithm
6. Solve + and - by reversing + and -
6. Solve + and - by reversing + and -
Find out what the numbers on the sides of the table should be
Which of these problems would be good to solve using the reverse addition method?
SHOW HOW YOU WOULD USE REVERSING TO SOLVE THESE EQUATIONS
173 - 128 =
2518 - 1279 =
18.27 - 6.76 =
124.312 - 76.01 =
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