Math Study Guide
Second Grade
First Nine-Week Test
Second grade students will take their nine-week test the week of October 13th. The standards that will be
tested are included on this study guide. This guide also contains sample problems and examples your child
will see on the test.
2.OA.1 Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting
together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown
number to represent the problem.
(2 digits + 1 digit with and without regrouping up to 20 to build math fact fluency while reviewing basic story problem types)
Strategies: Number line, Base Ten Blocks, Place Value
Students will have to show how they solved the math word problems. They can use the
various strategies learned in class (pictures, equations, tens frames, number lines, etc.)
Sam has 6 books. Harry has 11 books.
How many books do they have in all?
____________ books
(Answer: 17)
Joe has 8 crackers. Mary has 10 more crackers. How many crackers does Mary have?
(Answer: 18)
There are 6 cookies on the plate.
Five more cookies are put on the plate.
How many cookies are there now?
Show your work in two ways then write an equation.
Draw a picture.
Using a number line.
___________________________________________
10 11 12 13 14 15 16 17 18 19 20 21 22
Write an equation and answer.
_______
_______ = ________
There are ____________ cookies on the plate.
(Answer 6 + 5 =11)
(Answer: 11)
Fran has 5 red ducks and 8 yellow ducks.
How many ducks does Fran have in all?
Write an equation:
_______
________ = ________ ( Answer: 5 + 8 = 13)
Show your work using the number line.
______________________________________________________________________
0
1
2
3
4 5 6 7
8
9 10 11 12 13 14 15
Fran has __________ ducks in all.
16 17 18 19 20
(Answer 13)
There are 9 people on the train.
Eight more people join them.
How many people are on the train?
Show your work to help answer the question.
Write an equation and answer.
_______
________ = ________
( Answer: 9 + 8 = 17)
2.OA.2- Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers.
Math Facts tests (addition including doubles, doubles plus 1, make ten, 0-4s)
4 + 4 = _____
(Answer: 8)
4 + 5 = ______
(Answer: 9)
6 + 6 = _____ (Answer: 12)
_______ + ________ = 4
( Answer: 2 + 2 = 4)
8 + 8 = _____(Answer: 16)
_______ + ________= 16
(Answer 8 + 8 = 16)
2 + 2 = _____(Answer: 4)
________ + ________= 12
(Answer 6 + 6 = 12)
Write four addition facts that have the sum of 10.
________ + ________ = 10
________ + ________ = 10
________ + ________ = 10
________ + ________ = 10
Answers may vary (5 + 5, 1 + 9, 9 + 1, 2 + 8, 8 + 2, 3 + 7, 7 + 3, 4 + 6, 6+ 4, 10 + 10 , 0 + 10)
Fill in the blanks
6 + 12 = _________
18 + 1 + _________
Answers: 18 and 19
2. OA.3 Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2’s;
write an equation to express an even number as a sum of two equal addends.
The sum of 6 + 7 is ______________
The number is:
A odd
B. even
C. neither
D both
Answer: A
Matt has 34 books.
Is 34 odd or even?
The number 34 is ___________________.
A. odd
B. even
C. neither
D. both
Answer: B
2. NBT.1- Understand that the three digits of a (2 digit) three-digit number represent amounts of hundreds, tens, and ones;
(Only to 99 e.g., 9 tens, and 9 ones) e.g., 76 equals 7 tens, and 6 ones.
Examples:
Write the number of tens and the number of ones. Then write the number.
________ tens
________ ones
_____________
Answer: 6 tens 4 ones = 64
Circle groups of ten, then write the number.
XXXXXXXXXXXXXXX
XXXXXXXXXXXXXXX
XXXXXXXXXXXXXXX
XXXXXXXXXXXXXXX
XXXXXXXXXXXXXXX
_________ tens and __________ones
__________________
Look at the number:
Answer: 7 tens and 5 ones
Answer:
75
85
What is the number in the ones place? ___________
(Answer: 5)
What is the number in the tens place? __________
(Answer: 8)
What is the VALUE of the 8? ________________
(Answer: 80)
Eric has 72 cookies.
How many tens are in the number 72?
A. 8
6 ones and 5 tens = _________
B. 05
A. 65
B. 7
C. 2
D. 70
C. 506 D. 56
(Answer: B)
(Answer: D)
What is the value of 8 in 83
A. 8
B. 3
C. 800 D. 80
(Answer: D)
Look at the tens frames.
What number is shown on the tens frames? ______________
A.
30
B.
27
C.
40
D. 47
Answer: B
2.NBT.2- Count within 1000 (100); skip-count by 5s, 10s, and 100s
Fill in the numbers counting by 2’s
48, _________, __________, _________
(Answers: 50, 52, 54)
Fill in the numbers counting by 5’s
65, _________, __________, _________
( Answers: 70, 75, 80)
Fill in the numbers counting by 10’s
60, _________, __________, _________
(Answers: 70, 80, 90)
Write the number 6 using tally marks _________________________
Answer:
Use the chart to answer the questions.
How many tally marks does Bobby have? __________
(Answer: 5)
How many tally marks does Linda have? __________
(Answer: 4)
How many tally marks does Larry and Tony have in all? ________
(Answer: 13)
2. NBT.3- Read and write numbers to 1000 (100) using base-ten numerals, number names, and expanded form.
Seventy-three ____________
7 + 50 = __________ 20 + 4 = ____________
Answers: 73, 57, 24
2.NBT.5- Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between
addition and subtraction
Fill in the blanks
8 + 3 = _______
______ - 8 = 3
Answers: 11, 11
2. NBT.8-Mentally add 10 or 100 to a given number 100s chart 100–900, and mentally subtract 10 or 100 from a given number 100–900.
What is 10 more than 6?
A. 46
B. 7
C. 16
D. 55
Answer: C
Look at the hundreds board.
What number is 10 more than 7?
A. 57
B. 17
C. 27
D. 100
Answer: B
2. NBT.9 Explain why addition and subtraction strategies work, using place value and the properties of operations. (Fact Families) Explanations
may be supported by drawings or objects.
Example: Use the numbers 5, 7, and 12 to complete the fact family.
_____ + _____ = ______
5 + 7 = 12
_____ + _____ = ______
7 + 5 = 12
_____ + _____ = ______
12 – 7 = 5
_____ + _____ = ______
12 – 5 = 7
2. MD.7 Tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m.
(Tell time to the hour and half hour using am and pm)
Mark eats dinner at the time shown on the clock.
What time does Mark eat dinner?
A. 10:00
B. 6 :30
C. 5:00
D. 5:30
Answer: C
What time does the clock show?
A. 12:00
B. 6:00
C. 12:30
D. 6:30
Answer: B
2. MD.8-Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately.
Example: If you have 2 dimes and 3 pennies, how many cents do you have?
(Recognize pennies, nickels, dimes, quarters, sums to $1.08 up to $ .99 + $ .09)
What is the name of this coin?
A. Dime
B. Quarter C. Penny
D. Nickel
Answer: C
What is the value of this coin?
A. 10 cents
B. 25 cents
C. 5 cents
D. $ 1.00
Answer: B
Mary has the following coins. How much money does she have?
A. 41 cents
B. 61 cents
C. 61 cents
D. 76 cents
Answer: B
Jolene has 3 nickels and 6 dimes. How much money does she have in all?
Show your work (Students can show the work using any of the strategies they have been taught to
solve the problem.)
Answer 75 cents