Calcul Mental

class: center, middle, inverse, title-slide

# Calcul Mental
### Vincent Pitou
### LFM

---

class: inverse, center, middle

# Questions

Multiplications par  98

5 questions

10 secondes par question

---

# Question 1

.pull-left[# `$$A$$`

#$$7 \times 98$$
]

.pull-right[# `$$B$$`

#$$2 \times 98$$
]

???

.pull-left[686]
.pull-left[196]

---

# Question 2

.pull-left[# `$$A$$`

#$$98 \times 8$$
]

.pull-right[# `$$B$$`

#$$3 \times 98$$
]

???

.pull-left[784]
.pull-left[294]

---

# Question 3

.pull-left[# `$$A$$`

#$$98 \times 6$$
]

.pull-right[# `$$B$$`

#$$9 \times 98$$
]

???

.pull-left[588]
.pull-left[882]

---

# Question 4

.pull-left[# `$$A$$`

#$$2 \times 98$$
]

.pull-right[# `$$B$$`

#$$98 \times 4$$
]

???

.pull-left[196]
.pull-left[392]

---

# Question 5

.pull-left[# `$$A$$`

#$$3 \times 98$$
]

.pull-right[# `$$B$$`

#$$98 \times 6$$
]

???

.pull-left[294]
.pull-left[588]

---
class: inverse, center, middle

# Réponses

---

.pull-left[# `$$A$$`

##$$7 \times 98= 686$$
##$$98 \times 8= 784$$
##$$98 \times 6= 588$$
##$$2 \times 98= 196$$
##$$3 \times 98= 294$$
]

.pull-right[# `$$B$$`

##$$2 \times 98= 196$$
##$$3 \times 98= 294$$
##$$9 \times 98= 882$$
##$$98 \times 4= 392$$
##$$98 \times 6= 588$$
]