Grade 2 | MATHEMATICS
WEEK 18 • PRACTICE WORKBOOK • DAYS 86–90
Read the matching lesson in the Week 18 Student Textbook first. Write each answer on the line below its question. Day 90 is answered on your own.
Fillable Practice PDF: Open or download Week 18 fillable workbook. Type answers in the labeled fields and save a copy. Complete physical measurements, drawing, and hands-on tasks on a printed page.
Week 18 Student Textbook | Week 18 Practice Workbook | Week 18 Teacher Guide | Week 17 Student Textbook | Week 19 Student Textbook | Grade 2 index
Day 86: Hundreds, Tens and Ones in New Ways
Base-ten blocks: Numbers A and B
- What number does Number A show?
Answer: _________________________________________________
- Number B has 1 hundred, 10 tens and 3 ones. What number is it?
Answer: _________________________________________________
- How many tens are in 400?
Answer: _________________________________________________
- Write 7 hundreds, 0 tens and 6 ones as a number.
Answer: _________________________________________________
- Explain why 10 tens and 1 hundred are the same amount.
Answer: _________________________________________________
_____________________________________________
Day 87: Count Within 1000 and Skip-Count
Number line: count by 5s
- Write the three missing numbers in the boxes on the number line.
Answer: _________________________________________________
- Count by 10s: 670, 680, 690, ___, ___.
Answer: _________________________________________________
- Count by 100s from 250 to 750. Write each number.
Answer: _________________________________________________
- Count by 5s: 985, 990, 995, ___.
Answer: _________________________________________________
- When you count by 10s from 690 to 700, why does the hundreds digit change? Explain.
Answer: _________________________________________________
_____________________________________________
Day 88: Read, Write and Compare Numbers
- Write 508 in expanded form.
Answer: _________________________________________________
- Write the numeral for four hundred sixty-two.
Answer: _________________________________________________
- Compare with >, = or <: 381 ___ 318.
Answer: _________________________________________________
- Compare with >, = or <: 600 + 7 ___ 670.
Answer: _________________________________________________
- Lena says 299 is greater than 301 because 9 is greater than 1. Explain her mistake.
Answer: _________________________________________________
_____________________________________________
Day 89: Hands-On: Number-Card Game
- What is 10 more than 495?
Answer: _________________________________________________
- What is 100 less than 312?
Answer: _________________________________________________
- Use the digits 4, 7 and 2 to make the greatest three-digit number.
Answer: _________________________________________________
- Use the same digits 4, 7 and 2 to make the smallest three-digit number.
Answer: _________________________________________________
- Compare your two numbers from items 3 and 4 with >, = or <. Explain which place you checked first.
Answer: _________________________________________________
_____________________________________________
Hands-on task: Number-card game
- Write the digits 0 to 9 on ten small cards and mix them up.
- Draw three cards and make a three-digit number. (If 0 comes first, put it in another place.) Write it in the table.
- Write the number that is 10 more, 10 less, 100 more and 100 less.
- Play with a family member: each of you makes a number, and you compare them with >, = or <.
- Play three rounds.
| My number | 10 more | 10 less | 100 more | 100 less |
|---|---|---|---|---|
| ____ | ____ | ____ | ____ | ____ |
| ____ | ____ | ____ | ____ | ____ |
| ____ | ____ | ____ | ____ | ____ |
| Round | My number | >, = or < | Family number |
|---|---|---|---|
| 1 | ____ | ____ | ____ |
| 2 | ____ | ____ | ____ |
| 3 | ____ | ____ | ____ |
Which round was the hardest? Why?
_________________________________________________
_____________________________________________
Day 90: Independent Check: Place Value
Base-ten blocks: Numbers C and D
Answer on your own. An adult may read the questions aloud but should not give the answers.
- What number does Number C show?
Answer: _________________________________________________
- What number does Number D show?
Answer: _________________________________________________
- Count by 100s: 130, 230, 330, ___.
Answer: _________________________________________________
- Compare with >, = or <: 589 ___ 598.
Answer: _________________________________________________
- What is 10 more than 893? Explain how you found it.
Answer: _________________________________________________
_____________________________________________
Week 18 Student Textbook | Week 18 Practice Workbook | Week 18 Teacher Guide | Week 17 Student Textbook | Week 19 Student Textbook | Grade 2 index