Unit 9 – The four operations
Multiplication table of 7
MTuWTh F Sa Su Weekday Weekend day
Leon saves $1 on every week day. Letisha saves $1 on every weekend day. How much has each child saved after: 1 week? 2 weeks?
3 weeks?
4 weeks?
How much will they have saved in total after each week?
1 We can use multiplication facts that we know to help find other facts. There is 1 five and 1 two in every seven.
× 1 2 3 4 5 6 7
1 × 7 = 7
1 × 5 = 5
1
2 × 7 = 14
2×5=10 2
3 × 7 = 21
3×5=15 3
4 × 7 = 28
4×5=20 4
5 × 7 = 35
5×5=25 5
There are two more counters in 1 row of 7 than in 1 row of 5. So, 1 × 7 is the sum of 1 × 5 and 1 × 2. What is the connection between this and the money problem you solved?
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04/05/2022 15:50
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