Show:
multiplication by 1's
Muliplication by 2's
place value
subtraction
Addition
100
1x1=
What is 1
100
2x4
What is 8
100
what number is in the 10's place 353
5
100
What is 15-5
10
100
What is 20+20
40
200
1x10
What is 10
200
2x5
What is 10
200
What number is in the thousands place 4,383
4
200
What is 40-20
20
200
What is 30+30
60
300
1x20
What is 20
300
2x10
What is 20
300
What number is in the thousands place 4,383
4
300
What is 40-20
20
300
What is 40+40
80
400
1x400
What is 400
400
2x7
What is 14
400
What is in the ones place 21
1
400
What is 15-15
0
400
What is 75+25
100
500
1x50
What is 50
500
2x8
What is 16
500
What is in the thousands place 10,465
10
500
What is 30-15
15
500
What is 50+50
100