Videos
Addition within 20
269
Word problems
451
Let's compare
155
Subtraction within 20
172
Subtraction by using bar graphs
349
Subtract within 20
214
Relationship Between Addition and Subtraction
596
Subtract 3 digit numbers
240
Addition within 20
293
Even Or Odd
493
Repeated addition as multiplication equation
368
Addition within 20
268
Even or Odd
493
Addition
182
Repeated addition
368
Multiplication
175
Tens and ones
225
Horizontal Addition
180
Compare the numbers using bar graphs
428
Subtract using rodes and cubes
220
Repeated addition
329
Repeated addition as multiplication
329
Let's compare
375
Multiplication comparison
375