Download NT Multiplication Making Landmark or Friendly Numbers Grade 3 to 5

Grade 3-5 Number Talks Guide – Multiplication: Making Landmark or Friendly Numbers
As presented in “Number Talks” by Sherry Parrish
Day Strategy
Problems
1
2 x 25
4 x 25
6 x 25
2
3
4
5
6
7
8
9
Relate problems to coin
values to help students
build their knowledge
from one problem to the
next. The initial problem
will ehlp hem with a later
problem in the sequence.
For example, 6 x 25 =
(2x25) + (2x25) + (2x25),
by combining (2x25) +
(4x25).
2 x 50
4 x 50
8 x 50
3x5
3 x 10
3x9
7x5
7 x 10
7x9
5x5
5 x 10
5 x 20
5 x 19
2x5
2 x 10
2 x 20
2 x 19
2 x 25
4 x 20
2 x 50
4 x 50
5x5
5 x 10
5 x 30
5 x 29
4x5
4 x 10
4 x 50
4 x 49
Date
Feedback (what students struggled with
the skill)
10
Use the sequence of
problems to solve the final
1 x 3-digit problem.
11
12
13
14
15
16
17
18
19
20
21
22
Use the sequence to solve
the final 2 x 2-digit and 2 x
3-digit problems.
4 x 25
4 x 200
4 x 250
4 x 249
6 x 20
6 x 100
6 x 120
6 x 119
3 x 50
3 x 100
3 x 149
3 x 10
3 x 50
3 x 100
3 x 149
6 x 50
6 x 30
6 x 349
4 x 60
5 x 300
4 x 359
3 x 100
3 x 200
3 x 199
5 x 100
5 x 300
5 x 60
5 x 359
8 x 50
8 x 100
8 x 200
8 x 199
6 x 20
30 x 20
36 x 20
36 x 19
3 x 50
50 x 50
53 x 50
53 x 48
10 x 10
10 x 30
2 x 30
12 x 29
6 x 40
10 x 40
16 x 40
16 x 39
23
24
25
26
27
2 x 25
4 x 25
8 x 25
10 x 25
16 x 25
5 x 10
5 x 50
10 x 50
15 x 50
15 x 49
2 x 150
10 x 150
12 x 150
12 x 149
5 x 200
20 x 200
25 x 200
25 x 199
6 x 600
10 x 600
16 x 600
16 x 599