112
The 6 times table
Textbook: Part 3, lesson 105, pp. 72–73
GoalKnow the 6 times table.
New words
the 6 times table · 6 ga ko‘paytirish jadvalischool desk · partaspoon · qoshiqconvenient method · qulay usul
Explanation
The 6 times table comes from counting in sixes: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60. We already know many products from earlier tables: 6 × 4 = 4 × 6 = 24. Replacing equal addends with multiplication makes calculation easier.
Worked examples
If 6 people sit at a table, 5 tables seat 6 × 5 = 30 people.
28 + (8 + 8 + 8 + 8 + 8 + 8) = 28 + 8 × 6 = 28 + 48 = 76.
Class activity
“Count in sixes”: children count in sixes up to 60. Each child in turn says one product from the table and shows it with sticks.
Practice
1
6 spoons must be put on each of 6 tables. How many spoons are needed in total?
36
2
(7 × 6) + (6 × 4) = ?
66
3
150 − (6 × 9) = ?
96
4
Calculate in a convenient way: 28 + (8 + 8 + 8 + 8 + 8 + 8) = ?
76
5
6 desks were repaired in the junior rooms and 3 times as many in the senior rooms. How many desks were repaired in total?
24