Unit 2 Review

Look at the skip-counting below. What number are you counting by?

4,8,12,16,20,24

• skip-counting by 2's

• skip-counting by 3's

• skip-counting by 4's

• skip-counting by 10's

Select the correct sign that makes the statement true:

25______38

• >

• <

• =

Tony picks 15 berries from a farm on Monday. He picks another 60 berries on Tuesday. How many berries in all does he pick on both days?

• 72

• 74

• 75

• 45

Carol had 284 marbles in a jar. Joe had 100 more marbles in his jar. How many marbles did Joe have in his jar?

• 327

• 184

• 40

• 384

How many hundreds is in the number 234

• 2 hundreds

• 3 tens

• 4 ones

• 3 hundreds

Laura has 67 stickers in her sticker book. Her sister gives her 15 more stickers to put in her sticker book. How many stickers will Laura have total in her sticker book?

• 38

• 42

• 75

• 142

Sandy wants to create a collection of one hundred pennies. So far, she has collected 42. How many more pennies does Sandy need to have a collection of 98 pennies? Tell what strategy you used to solve.

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There are 5 tomato plants in the first row of a garden. There are 7 tomato plants in the second row.

Melissa decided to use the doubles strategy to find the total number of tomato plants in the garden.

Which doubles addition fact is the largest that Melissa should use to find the sum?

• 5 + 5+10

• 6+6=12

• 6+7=13

• 5+7=13