One-Step Add/Subtract

One-Step Add

100

w + 6 =8

What is w=2

200

w + 10 = 20

What is w=10

300

w + 15 =35

What is w=20

400

w + 100 + 21 = 322

What is w=201

500

w + 500 + 400 = 1700

What is w=800

One-Step Subtract

100

w-4 =5

What is w=9

200

w-8=2

What is w=10

300

w-10=40

What is w=50

400

w-25-5=75

What is w=105

500

w-100+35=300

What is w=365

One-Step Add Decimals

100

w+1.2 = 3.6

What is w=2.4

200

w+4.5=7.7

What is 3.2

300

w+2.1 = 7.9

What is 5.8

400

w+12.4+12.6=27.6

What is 2.6

500

w+14.5+15.4=34.6

What is 4.7

One-Step Subtract Decimals

100

w-2.5=6.7

What is 8.9

200

w-2.7=4.1

What is 6.8

300

w-4.5=3.3

What is 7.8

400

w-13.6-5=16.3

What is 34.9

500

w-5.1-12=6.1

What is 23.2

One-Step Add/Subtract mix

100

w+35=75

What is 40

200

w+12=19

What is w=7

300

25=w-20

What is 45

400

70,000=w+20

What is 69,980

500

20,451= w-805

What is 21,256