Unit 1a Test Review

Adding/Subtracting

100

238 + 578

816

200

404 - 119

285

300

What equation could be used to check 23 + 54 = 77?

A. 23 - 54 = 77
B. 77 + 54 = 23
C. 77- 54 = 23
D. 23 - 77 = 54

C. 77 - 54 = 23

400

745 - 336 = 

409

500

The term "COMBINED" tells us we should... add or subtract? 

add

Rounding

100

Round 148 to the nearest ten. 

150

200

Round 386 to the nearest hundred.

400

300

Round 714 to the nearest hundred. 

700

400

Round 848 to the nearest hundred. 

800

500

Round the sum to the nearest ten.
340 + 238 =

580

Mystery Question

100

400 - 128

272

200

Fill in the missing number in the pattern.

0, 3, 6, 9,_____, 15

12

300

How many hundreds, tens, and ones are in the number 478?

4 hundreds, 7 tens, and 8 ones

400

The term "IN ALL" tells us that we should......
add or subtract? 

add

500

The term "HOW MANY MORE" tells us that we should.... add or subtract?

subtract