Multiplication division Today we are learning how to























- Slides: 23
Multiplication & division Today we are learning how to: Multiply 2 integers together using a suitable written method Divide an integer by another integer using a suitable written method
STARTER DRILL
STARTER DRILL
MAKE YOU THINK! How do we multiply much larger numbers together? 45 x 7 Interesting ways of multiplying numbers: https: //www. youtube. com/watch? v=Zr. XLijr. Tl. L 4 https: //www. youtube. com/watch? v=Zyg 0 FInj. Jh. E
SCAFFOLDING 45 x 7 Grid x 7 40 Napier’s Bones 5 4 5 x 7 Column 45 x 7
SCAFFOLDING 24 x 9 Grid x 9 20 Napier’s Bones 4 2 4 x 9 Column 24 x 9
SCAFFOLDING 24 x 19 Grid x 10 9 20 Napier’s Bones 4 2 4 x 1 9 Column 24 X 19
SCAFFOLDING 39 x 72 Grid x 30 9 70 Napier’s Bones 2 7 2 x 3 9 Column 72 X 39
SCAFFOLDING 49 x 65
SCAFFOLDING 49 x 65 Grid x 60 5 40 Napier’s Bones 9 4 9 x 6 5 Column 49 X 65
SCAFFOLDING 351 x 83
SCAFFOLDING 351 x 83 Grid x 300 50 1 80 Napier’s Bones 3 8 3 x 3 5 1 Column 351 x 83
DO NOW ACTIVITY Each pyramid holds 24 tombs. How many tombs can fit in 6 pyramids? There are 16 canopic jars in a pyramid. How many canopic jars are there in 43 pyramids? Pharaoh’s tombs are arranged so that there are 42 in each row. How many tombs are there 4 rows? There are 36 Priests working in a burial chamber. How many Priests would there be in 15 burial chambers? Ramps have 3 wheels. How many wheels do 34 ramps have?
DO NOW ACTIVITY Each pyramid holds 24 tombs. How many tombs can fit in 6 pyramids? 144 There are 16 canopic jars in a pyramid. How many canopic jars are there in 43 pyramids? 688 Pharaoh’s tombs are arranged so that there are 42 in each row. How many tombs are there 4 rows? 168 There are 36 Priests working in a burial chamber. How many Priests would there be in 15 burial chambers? 540 Ramps have 3 wheels. How many wheels do 34 ramps have? 102
Low Stakes Qu Why is the following question different to what we have been looking at so far? Place some numbers into the blank spaces and answer your own question: There are ……. pieces of bread and ……. birds. How many pieces of bread can each bird eat?
SCAFFOLDING 512 � 4 Subtraction 512 - 4 x Bus stop 4 512
SCAFFOLDING 153 � 9 Subtraction 153 - 9 x Bus stop 9 1 5 3
SCAFFOLDING 784 � 14
SCAFFOLDING 784 � 14 Subtraction 784 - 14 x Bus stop 14 7 8 4
DO NOW ACTIVITY
DO NOW ACTIVITY
MAKE YOU THINK! Look at the following questions. How do you deal with the answers of each? 512 � 4 512 � 5
In what other ways could you phrase one of today’s questions and yet the working out or thinking would be the same?