Step 4 of 37
Place value to 1,000, and adding and subtracting bigger numbers.
Topics, in order
Final exam
A few questions from every topic, to check you are ready to move on.
Take the final exam ›Learn from
- Khan Academy, the course for this step ›
- Beast Academy, level 2
- Singapore Math, Dimensions Math 2
Move on when
The learner can add and subtract any two-digit numbers and explain the regrouping.