Page 37 - Math Skill - 4
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Addition and Subtraction 35
MIND MAP
Addition and Subtraction
Addition Subtraction
Number (1) + Number (2) = Number (3) Number (1) – Number (2) = Number (3)
addend addend sum minuend subtrahend difference
Recognising Words
ADDITION SUBTRACTION
add subtract
altogether deduct
both decrease
combine left
increase remain
sum minus
total difference
plus take away
Properties Properties
1. 0 + Number = Number 1. Number – 0 = Number
2. Number (1) + Number (2) 2. Number – Number = 0
= Number (2) + Number (1) 3. Number (1) – Number (2)
3. Number + 1 = Successor ≠ Number (2) – Number (1)
4. Number – 1 = Predecessor
