Nata is solving 42 × 15.

Question

Lulu stops her after the third step to ask her why she wrote what she did.
Lulu asks why she wrote a 20.

Complete the sentences to explain Nata’s work. In this step, Nata multiplied ___
. This resulted in ___
and 0 ones. For Nata multiplied ___. the only answers it shows i can put is 2x5, 40x5, 2x10 40x10, and for This resulted in ___
and 0 ones. the only answers are 2 tens, 2 ones, 2 hundreds.

Answer 1

In this step, Nata multiplied 2 × 5. This resulted in 10 and 0 ones. For Nata multiplied 2 × 10, which resulted in 20 and 0 ones.