Wednesday Learn these


90 ÷ 10 = 9


100 ÷ 10 = 10 110 ÷ 10 = 11 120 ÷ 10 = 12


2 Divide (a) 10 90 (b) 10 100 3 Problems with brackets (c) 10 110 (d) 10 120


(a) (20 ÷10) + 3 = (c) (80 ÷10) + 5 = (e) (60 ÷10) + 4 = (g) (90 ÷10) − 2 = (i) (110 ÷10) − 5 = (k) (100 ÷10) − 6 =


4 Problem-solving with tables


For each problem, say whether it is a +, −, × or ÷ problem. Using your tables, write the number sentence and the answer.


Problem:


(a) How many €10 notes make €70?


(b) Kim began a 100km drive. After


10 of the journey, 1


she stopped for petrol. How many kilometres had she travelled?


(c) How many minutes are in of an hour?


10 Rough work 1


(b) (40 ÷10) + 1 = (d) (10 ÷10) + 1 = (f)


(0 ÷10) + 2 =


(h) (70 ÷10) − 3 = (j) (30 ÷10) − 1 = (l) (120 ÷10) − 2 =


r o A u f o +, −, × or ÷? Number sentence: Answer:


1 Factor trees (a) 120


(b) 100


(c) 110 (d) 90


(e) 80


74


Strand: Number Strand Units: Fractions; Counting and numeration; Operations – division Strand: Measures Strand Units: Money, Length, Time Skill: Problem-solving.


Week 18 | Divide by 10


t


C


D


e . g


o


C


.


r .


t ' yn S


R


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U


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