34 × 6 is 30 × 6 plus 4 × 6. Multiply each part, then add the answers together.
Worked example
27 × 3 = ?
Answer:81
Break 27 into tens and ones: 20 + 7. Multiply each part, then add them up: 60 + 21 = 81.
For grown-ups: Multiply 4-digit × 1-digit and 2-digit × 2-digit (area model). Below: three problems to try with the worked answers, and a free printable sheet. Children can practise the same skill as a game, with no sign-up and no ads.
CCSS 4.NBT.B.5
What this practises, for teachers
Practices multiply 4-digit × 1-digit and 2-digit × 2-digit (area model) (4.NBT.B.5). A printable sheet with its answer key, worked answers on the page, no accounts.