Building Numbers: 10 to 19

The video tutorial introduces the concept of grouping objects in tens, referred to as 110. It uses examples like apples, pencils, beads, and coins to illustrate this idea. The tutorial then applies this concept to count apples in baskets, explaining how to represent numbers using tens and ones. A game with cubes is used to reinforce the understanding of ones and tens, where cubes represent ones and a rod represents tens.

What is a group of ten objects called in the video?

• 110

• A century

• A score

• A dozen

If a basket has one full tray of ten apples and one leftover apple, how many apples are there in total?

• 12

• 11

• 13

• 10

How is the number 12 represented in terms of tens and ones?

• 1 ten and 3 ones

• 1 ten and 1 one

• 1 ten and 2 ones

• 2 tens and 0 ones

What do ten cubes represent when they are joined together?

• A 100s block

• A 10s rod

• A single one

• 10 ones

In the game, if five cubes represent 5 ones, what do nine cubes represent?

• A single one

• A 10s rod

• 9 ones

• A 100s block