Chapter 4 · Dividing by a one-digit number

Lesson 4.6 · Dividing a two-digit number by a one-digit number (5)

Hua's Classroom for Shanghai Maths — One Lesson One Exercise (English edition, pages 76–78).

Grade 3First Semester Pages 76–78ECNU Press

Lesson Alignment

How this Shanghai Maths lesson connects to learning goals, Common Core, and Eureka Math.

Students will be able to:

Code	Standard (focus for this lesson)
3.OA.A.2	Interpret whole-number quotients.
3.OA.A.3	Multiply/divide within 100 to solve word problems.
3.OA.B.5	Apply properties of operations.
3.OA.B.6	Understand division as unknown-factor.
3.OA.C.7	Fluently multiply and divide within 100.
3.OA.D.8	Two-step word problems.
3.MD.A.1	(related) Time rates.

Shanghai Maths	Focus	Eureka Math
Applications	÷ word problems	G3 M1 / M3

Consolidate two-digit ÷ one-digit through rich applications.

$8$ wontons/min → time for $96$: $96 \div 8$. Girls + boys into groups of 4.

Empty cans + sweets packing; combine conditions carefully.

6 balls for 30 yuan → how many for 90 yuan; cost of 12 balls.

Quick glossary for this lesson.

Term	Definition
Dividend	The number being divided.
Divisor	The number you divide by.
Quotient	The result of division.
Remainder	What is left after equal groups are made.
Relationship	dividend = divisor × quotient + remainder
Rate	Amount per unit time (or per pack).

Quick reference for this lesson’s exercise answers.

$30\times2=60$,\; $46\div2=23$,\; $21\times3=63$,\; $80\div4=20$
$120\times3=360$,\; $300\times5=1500$,\; $840\div4=210$,\; $50\times4=200$
$9000\div3=3000$,\; $60\div9=6\ldots6$,\; $240\div6=40$,\; $500\times9=4500$
$2000\times4=8000$,\; $1000\times7=7000$,\; $2000\div5=400$,\; $10000\div5=2000$