Wednesday Learn these


9 × 3 = 27


10 × 3 = 30 11 × 3 = 33 12 × 3 = 36


(c)


1 Unscramble these problems


(a) 7 6 × 3 18


3 Fill in the missing number (a) (c) (e)


× 3 = 24 × 3 = 33 × 3 = 36


(b) (d) (f)


× 3 21 (d) (b) 36 12 × 3 5 × 3 15 (c)


2 Multiply (a)


10 × 3 9 × 3


× 3 = 15 × 3 = 27 × 3 = 21


4 What is missing? (a)


9 × 3


5 Problem-solving with tables Colour the number sentence that matches each problem.


(a) How many wheels do 6 tricycles have altogether? 3 + 3 = 6 or 6 × 6 = 36 or 6 × 3 = 18


(b)


This is of Eva’s money. How much money does she have in total? 5 + 3 = 8 or 5 × 3 = 15 or 3 × 3 = 9


1 3


(c) Danny’s rabbit weighs 2kg. Colm’s dog is three times heavier. How many kilograms does Colm’s dog weigh?


3 × 3 = 9 or 2 + 3 = 5 or 2 × 3 = 6


(d) One jug of water fills 3 glasses. How many glasses can be filled from 3 jugs?


3 × 3 = 9 or 3 + 3 = 6 or 3 – 3 = 0 Rough work (b) × r o36 A u f (d)


(b)


12 × 3 11 × 3


12


(c)


× 3 33


o


30


Strand: Number Strand Units: Fractions; Counting and numeration; Operations – multiplication Strand: Measures Strand Units: Capacity, Money, Weight Skill: Problem-solving.


Week 7 | Multiply by 3


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