Writing
Writing addition
addition sentences
sentences
Lab 1
2
add to ten
Write two additions for each picture.
2
4
Draw and write your own.
+
+
4
2
=
=
+
=
+
=
+
=
+
=
+
=
+
=
Challenge! Colour the butterflies that add to 6.
6
98
2+4
3+3
5+0
4+2
1+6
NS1.2 (+, –) • Matches pictorial representations to number sentences. • Records addition facts in number sentences. • Uses the commutative property of addition.
Number
Number facts
facts
2
The first addition will help
you answer the other two.
5+5=
8+2=
5+4=
8+3=
5+6=
8+4=
7+3=
6+4=
7+4=
6+3=
7+5=
6+5=
9+1=
10 + 0 =
9+2=
10 + 1 =
9+3=
10 + 2 =
Challenge! 7 dogs, 3 mice, 8 birds, 2 cats
How many animals?
NS1.2 (+, –) • Recalls known number facts when solving addition. • Uses doubles and near doubles as a strategy to assist with addition.
99
Lab 1
add to twenty
Adding
Adding ten
ten
2
Colour to add.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
10 + 3 =
3 + 10 =
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
10 + 5 =
5 + 10 =
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
10 + 8 =
1 2 3 4 5 6 7 8 9 10
8 + 10 =
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20 11 12 13 14 15 16 17 18 19 20
6 + 10 =
1 2 3 4 5 6 7 8 9 10
4 + 10 =
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20 11 12 13 14 15 16 17 18 19 20
9 + 10 =
10 + 10 =
7 + 10 =
2 + 10 =
100
NS1.2 (+, –) • Matches pictures to number sentences. • Counts on from the larger number to find the total. • Models addition using a number line.
Place
Place value
value
2
How many?
Write in order.
smallest
largest
Complete.
25 =
20
+
5
31 =
30
40
+
29 =
+
47 =
+
44 =
+
50 =
+
49 =
+
30 =
+
NS1.1 (Whole Numbers) • Counts forwards by tens. • Explains the place value of digits in a two-digit number. • Orders a set of two-digit numbers.
NS1.3 (x, –) • Counts by tens and uses rhythmic counting to find the total number.
101
Adding
Adding tens
tens using
using money
money
10
20
2
30
40
50
60
70
30c
20c
90 100
10c
c
40c
50c
60c
20c + 10c =
80
50c + 20c =
c
Write your own additions.
c +
c =
+
=
c
c +
c =
+
=
How much?
Challenge! How much to buy 3 things?
+
102
+
NS1.2 (+, –) • Adds money to calculate the total. • Records number sentences using numbers and symbols.
NS1.1 (Whole Numbers) • Counts forwards by tens.
=
c
Problem
Problem solving
solving
Pin Ball Machine
Write numbers in the
. Use 1, 2, 3, 4, 5, 6, 7, 8.
What is your score? Try to get a high score.
in
WMS1.2 (Applying Strategies) • Solves everyday problems using various strategies including ‘trial and error’.
• Selects and uses mental and written methods to solve addition problems.
103