Page 170 - NUMINO TG_3A

1099 0 ?? Unit

2 . Learn how to multiply 14 by 4. 2. Explain how to calculate (2-digit number)
(1-digit number) vertically with a regrouping in
Multiply the ones. 1 the ones place.
When there is a regrouping after
14 14 multiplying the ones, add the regrouped
number to the tens.

4 4 ones = 16 ones 44

= 1 ten 6 ones 6 1 6 Multiply the ones. 11

4 0 Multiply the tens. 14 14 14
444
Multiply the tens. 5 6 Add the products.
4 1 ten = 4 tens 6 56
1
Add all the tens. In 4 4 16, Add the
4 tens 1 ten = 5 tens 14 write the 6 in the regrouped
4 ones place and number 1 ten to
the regrouped the 4 in 1 4 4.
56 ones, 10, on
above the tens.
Multiply.
1 2 1
2
b. 2 6 c. 2 9 d. 3 6
a. 1 7 2 3 2
3
52 87 72
51
1 1 2
3
f. 2 4 g. 4 5 h. 1 4
e. 1 6 4 2 7
5
96 90 98
80

i. 19 4 76 j. 25 3 75 k. 27 2 54

10. 99 0 = ?? 97

Problem: Solution:
Two squares have been put together as shown There are 6 lines that are each 16 cm. Therefore, the
below. Each side of the square is 16 cm. What is the length of the red line is 16 6 96 cm.
length of the red line in cm? Write the process and
the answer. Answer: 96 cm

3A Unit 10 152