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บวกแบบไม่ทด
0/3
Adding 1s, 10s, and 100s
Adding 2-digit numbers without regrouping
Adding 3-digit numbers (no regrouping)
บวกแบบทด
0/3
Adding with regrouping
Regrouping to add 1-digit number
Regrouping whole numbers: 675
กลยุทธ์การบวก
0/3
Breaking apart 3-digit addition problems
Solving 3-digit addition in your head
Addition using groups of 10 and 100
โจทย์ปัญหาการบวก
0/2
Three digit addition word problems
Missing number for 3-digit addition within 1000
Math 2 Unit 2
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