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From David Moore on June 9th, 2020
| 20 20 playsLearn how to subtract. -
From David Moore on June 8th, 2020
| 47 47 playsExplore how to find a missing addend. -
From David Moore on June 8th, 2020
| 50 50 playsLearn about composing and decomposing, part 2. -
From David Moore on June 8th, 2020
| 25 25 playsLearn how to add. -
From David Moore on June 8th, 2020
| 20 20 playsExplore how to find a missing addend, part 2. -
From David Moore on June 1st, 2020
| 74 74 playsExplore how to make the number 10. -
From David Moore on June 1st, 2020
| 44 44 playsLearn how to solve addition story problems. -
From David Moore on June 1st, 2020
| 40 40 playsIntroduction composing and decomposing. -
From David Moore on June 1st, 2020
| 29 29 playsLearn about composing and decomposing. -
From David Moore on June 1st, 2020
| 29 29 playsLearn how to solve subtraction story problems. -
From David Moore on May 31st, 2020
| 34 34 playsLearn about comparing numbers and groups using greater than, less than and equal to. -
From David Moore on May 31st, 2020
| 114 114 playsExplore subitizing. -
From David Moore on May 31st, 2020
| 51 51 playsExplore subitizing by grouping quantities. -
From David Moore on May 31st, 2020
| 55 55 playsLearn about comparing numbers and groups using greater than, less than and equal to, part 2. -
From David Moore on May 31st, 2020
| 58 58 playsExplore subitizing, part 2. -
From David Moore on May 29th, 2020
| 324 324 playsLearn about the counting principle one-to-one correspondence.