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Welcome back, Explorer!
Grade 2“Notice · Predict · Move · Explain · Create”
✨0 Discovery Sparks
Calm Launchpad · 5 Small BeatsStep 1 of 5: Arrive
☀️ Continue What You Started
Continue: Constant difference in 42 − 18
“Shift both numbers by +2 to solve 44 − 20 with zero regrouping.”
Today’s Wonder · One Small Discovery
Can everyone find a partner?
“When counters line up in pairs of two, is anyone ever left out?”
We made 3 pairs. Each pair has 2 counters. Everyone has a partner.Everyone has a partner
1
Pair
2
3
Pair
4
5
Pair
6
Number line:
0123456789101112
📦 Take-away tray (drag counters here)
What we found
Even numbers always pair up with no one left over. Odd numbers always have one partner waiting!
Spaced Concept Retrieval