“Marvellous Maths” - Diamonds
Term 1, Week 6
WALT: solve addition problems where one number is close to 10 and the answer is not more than 100.
Ajani has 45 lollipops and Paige has 9 lollipops. How many do they have altogether? 54
(Show your working out here!)
45 + 9 = 54
45 + 5 = 50 + 4 = 54
Sheales has saved $38 in pocket money. Anna has saved $7. How much money do they have between them? 45
(Show your working out here!)
38 + 2 = 40
40 + 5 = 45
Use Educreations on the iPad to share how you worked this question out. See if you can get the embed code to post it on your blog!
For the following questions, show your working out underneath.
27 + 9 = 36
27 + 3 = 30
30 +6 = 36
34 + 8 = 42
34 + 6 = 40
40 + 2 = 42
18 + 5 = 23
18 + 2 = 20
20 + 3 = 23
33 + 9 = 43
33 + 8 = 40
40 + 1 = 41
56 + 8 = 44
56 + 4 = 60
60 + 4 = 66
My Basic Facts - “Doubles”
Write down all the doubles basic facts to 20 (I have done the first ones for you).
0 + 0 =0
1 + 1 =2
2 + 2 =4
3 + 3 =6
4 + 4 =8
5 + 5 =10
6 + 6 =12
7 + 7 = 14
8 + 8 = 16
9 + 9 = 18
10 + 10 = 20
11 + 11 = 22
12 + 12 = 24
13 + 13 = 26
14 + 14 = 28
15 + 15 = 30
16 + 16 = 32
17 + 17 = 34
18 + 18 = 36
19 + 19 = 38
20 + 20 = 40
My Basic Facts - “10 and”
Write down all the 10 and facts to 20.
10 + 0 = 10
10 + 1 = 11
10 + 2 = 22
10 + 3 = 13
10 + 4 = 14
10 + 5 = 15
10 + 6 16
10 + 7 = 17
10 + 8 = 18
10 + 9 = 19
10 + 10 = 20
10 + 11 = 21
10 + 12 = 22
10 + 13 = 23
10 + 14 = 24
10 + 15 = 25
10 + 16 = 26
10 + 17 = 27
10 + 18 = 28
10 + 19 = 29
10 + 20 = 30
Extra for Experts!
I have 43 stamps and I collect 8 more stamps. How many stamps do I have now? 51 (Show your working!)
43 + 7 = 50
50 + 1 = 51