Term - 2
Outcome: Uses strategies to accurately add and subtract numbers to 20 without regrouping.
Make 10
|
|
Make 10
Worksheet
Addition Facts
Adding by 1
Adding 2
Adding 2 on 100 chart :
Use 100 Chart to add 10 (+10)
Use 100 chart to subtract 10 from a number ( -10)
What have you noticed about adding 10 and subtracting 10?
Can you apply this knowledge to add 9 and subtract 9?
Can you apply this knowledge to add 11 and subtract 11?
Want to challenge yourself? Then deal with +8, -8 and +12 and -12.
Addition strategies-
Addition strategy 1 : Make 10
8 + __ = 10
7 + __ = 10 6 + __ = 10 5 + __ = 10 |
9 + __ = 10
7 + __ = 10 6 + __ = 10 2 + __ = 10 |
6 + __ = 10
5 + __ = 10 4 + __ = 10 3 + __ = 10 |
4 + __ = 10
2 + __ = 10 8 + __ = 10 7 + __ = 10 |
Addition strategy 2 : Just one more than 10
8 + 2 = ______
8 + 3 = ______ 6 + 4 = ______ 6 + 5 = ______ 8 + 2 = ______ 7 + 3 = _____ 7 + 4 = ______ |
9 + 1 = ______
9 + 2 = ______ 7 + 3 = ______ 7 + 4 = ______ 5 + 5 = ______ 5 + 6= ______ |
Addition strategy 3 : Trick with 9
9 + 8 = ______
9 + 4 = ______ 9 + 6 = ______ 9 + 9 = ______ |
9 + 2 = _____
9 + 9 = _____ 9 + 6 = _____ 9 + 8 = _____ |
9 + 3 = ______
9 + 5 = ______ 9 + 7 = ______ 9 + 8 = ______ |
Addition strategy 4 : Trick with 8
8 + 8 = ______
8 + 4 = ______ 8 + 6 = ______ 8 + 1 = ______ |
8 + 3 = ______
8 + 5 = ______ 8 + 7 = ______ 8 + 9 = ______ |
Addition strategy 5 : Adding doubles
Addition strategy 6 : Double plus 1
|
|
Booklet : Practice addition strategies
Add multiples of tens
Adding two digit- tens and ones
With tens and ones blocks
|
|
Term -3
Using Pair Numbers to Add to Tens
Using Pair Numbers to Subtract from Tens
Using Pair Numbers to Make 10 , 100 and 1000
Addition with regroup
|
|
Everyday math
Addition-subtraction word problems
Word problem practice ( no regroup )