Counting in nines
Today I can count in nines and use the words factor, product and multiple correctly.
A Look back3 min
- 1.
3 rows of 10 make
- 2.
4 × 5 =
- 3.
Count in fives: 0, 5, 10,
B Watch me, then you4 min
Ola puts 9 stickers on each of 4 cards. How many stickers altogether?
Count in nines: 9, 18, 27, 36.
4 nines make 36, so 9 × 4 = 36.
9 and 4 are factors. 36 is the product.
- 1.
9 × 7 =
C Your turn6 min
Each picture shows rows of nine. Fill in the product.
- 1.
9 × 3 =
- 2.
9 × 5 =
- 3.
9 × 6 =
- 4.
9 × 8 =
Say it out loud: The first factor is always 9 here. What changes in each row, and what happens to the product?
D Spot the mistake2 min
- 1.
What is the product of 9 and 6?
E Think deeper4 min
- 1.
Write every multiple of 9 from 20 to 60.