Math! Math! Math!

Place Value

100

The place value of the 3 in the number 813

What is ones place?

200

The place value of the 5 in the number 759

What is tens place?

300

The place value of the 1 in the number 109

What is hundreds place?

400

The place value of the 4 in the number 14,127

What is thousands place?

500

The value of each digit in a number

What is place value?

Comparing #'s

100

22<28

What is less than?

200

113>110

What is greater than?

300

112=112

What is equal to? 

400

445>444

What is greater than? 

500

When we put two numbers side-by-side to see which is smaller or larger

What is comparing numbers?

Rounding

100

46- Round to the nearest 10

What is 50?

200

84- Round to the nearest 10

What is 80?

300

167- Round to the nearest 100

What is 200?

400

146- Round to the nearest 100

What is 100?

500

Making a number simpler but keeping its value close to what it is

What is rounding?

Addition

100

45+15

What is 60?

200

81+23

What is 104?

300

114+52

166

400

109+120

What is 229?

500

221+238

What is 459?

Subtraction

100

30-15

What is 15?

200

29-8

What is 21?

300

38-16

What is 22?

400

135-28

What is 107?

500

223-210

What is 13?