Adding, step by step
"Add the tens, then the ones, then put them together," says Biscuit. "One step at a time."
1. Add the tens and ones. Follow the example.
a) 42 + 36: tens ones total
b) 53 + 24: tens ones total
2. Add these hundreds.
a) 300 + 400 = b) 250 + 300 =
3. Bo has 120 gumnuts. Pip brings 60 more. How many now?
4. Add: 1 200 + 300 =