Nov. 25 Math Review

Place Value

100

What is the place value of the 7 in 72? 

the tens place

200

How much is 5 tens? 

50

300

How many ones are there in 147? 

7 ones or total 147 (take either answer) 

400

How many total tens are there in 187? 

18

500

What is the expanded form of 825? 

800+20+5

Adding

100

90+10=

100

200

30+34=

64

300

30+10+1+1+1+1

44

400

16+40+1+1+1

59

500

6 tens + 25 ones =

85

Measurement

100

Which is bigger cm or meters? 

meters

200

Which would I use to measure a door? cm or meter stick

meter stick

300

How many cm are in a meter? 

100 cm

400

I have 2 ribbons. The blue ribbon is 15 cm long. The purple ribbon is 25 cm long. How much longer is the purple ribbon? 

10 cm

500

For party decoration I need 1 meter of string. I only have 35 cm of string. How much string do i need to help me finish decorating? 

65 cm. 

Subtraction

100

30-20=

10

200

55-35=

20

300

7 tens - ____= 3 tens

40

400

80-20-1-1-1-1=

56

500

63-49=

14

Skip Counting

100

What is the next TWO numbers? 

25, 30, 35, 40, 45, ___, ___

50, 55

200

If I were skip counting by 10's what would the next 2 numbers be? 

143, _____, ______

153, 163,

300

Find the pattern and complete the next 3 numbers. 

243, 343, 443, ____, _____, ______, 

543, 643, 743

400

There is a huge jar of marbles. In order to know how many are in the jar you have to count them. What would be the fastest way to count the marbles? 

Count my hundreds, then 10s and ones. 

500

There are 14 students in my 2nd grade class. Each of them have 10 fingers. How many fingers are there all together? 

140