Estimate. Then find the sum. Estimate: 219 + 445

(a)  

Estimate. Then find the sum. Estimate: 437 + 146

(a)  

Estimate. Then find the sum. Estimate: 308 + 593

(a)  

Use rounding or compatible numbers to estimate the difference. Estimate: 618 - 369

(a)  

Use mental math to find the difference. 92 - 41 =

Use mental math to find the difference. 451 - 125 =

Use mental math to find the difference. 703 - 359 =

Estimate. Then find the difference. Estimate: 622 - 354

(a)  

Sara read 81 pages in her book. Colin read 64 pages in his book. How many more pages did Sara read than Colin?

Herb planted 28 pea plants. He planted 15 fewer tomato plants. How many pea and tomato plants did Herb plant in all?

Use the Pets tables for 1–2. Manny collected data about pets owned by students in his class. Complete Manny’s tally table and frequency table.

How many more students have cats than have dogs and birds combined?

Use the Seashells picture graph for 1–3. Maggie has a picture graph that shows the seashells she collected. How many seashells did Maggie collect in all?

How many more cockle shells did she collect than lightning whelks?

What if the key were “Each = 5 shells?” How many pictures would there be for conch?

The frequency table shows the number of miles Sean rode on his bicycle. Use the data in the frequency table to complete the bar graph.

How many more miles did Sean ride on Saturday than on Monday?

Write a number sentence to show how many miles in all Sean rode on his bicycle.

Kim is making bead necklaces. She records the number of beads on the different necklaces on a line plot. How many necklaces have exactly 50 beads?

How many necklaces have fewer than 40 beads?

How many necklaces have 50 or more beads?

Draw equal groups. Skip count to find how many. 2 groups of 4 ____

Draw equal groups. Skip count to find how many. 4 groups of 3 ____

Draw a quick picture to show the equal groups. Then write related addition and multiplication sentences. 2 groups of 5

Draw a quick picture to show the equal groups. Then write related addition and multiplication sentences. 3 groups of 2

Draw jumps on the number line to show 3 groups of 6. Find the product.

3 x 6 = ____

Write the multiplication sentence the number line shows.

____ x ____ = ____

(a)  

Destiny placed her hair ribbons in 3 groups of 5 on her dresser. How many hair ribbons in all does Destiny have? Draw a diagram to solve.

Draw an array to find the product.

(a)  

Find the product.

(a)  

Find the product.

(a)  

Find the product.

(a)  

Find the product.

(a)  

Find the product.

(a)  

Find the product.

(a)  

Find the product.

(a)  

Find the product.

(a)  

Find the product. 4 x 2 = (a)  

Find the product. 8 x 5 = (a)  

Find the product. 10 x 7 = (a)  

Find the product. 2 x 9 = (a)  

Find the product. 6 x 10 = (a)  

Find the product. 5 x 7 = (a)  

Find the product. 2 x 10 = (a)  

Find the product. 4 x 5 = (a)  

Find the product. 6 x 2 = (a)  

Find the product. 3 x 9 = (a)  

Find the product. 7 x 3 = (a)  

Find the product. 8 x 6 = (a)  

Write one way to break apart the array. Then find the product.

Find the product. 5 x 7 = (a)  

Find the product. 2 x 6 = (a)  

Find the product. 4 x 7 = (a)  

Find the product. 8 x 3 = (a)  

Abby has 5 stacks of cards with 7 cards in each stack. How many cards does she have in all?

Noah has 3 sisters. He gave 6 balloons to each sister. How many balloons did Noah give away in all?

Write another way to group the factors. Then find the product.

(3 × 2) × 4 = (a)  

2 × (5 × 3) = (a)  

(1 × 4) × 2 = (a)  

Is the product even or odd? Write even or odd.

6 × 6 = (a)  

2 × 3 = (a)  

3 × 9 = (a)  

8 × 2 = (a)  

5 × 9 = (a)  

(a)   = 3 × 9

4 × 8 = (a)  

(a)   = 9 × 4

6 × 8 = (a)  

9 × 7 = (a)  

(a)   = 8 × 7

Describe the pattern for the table.

Describe a pattern for the table. Then complete the table.

Find the unknown factor. 72 = 9 × t

(a)  

Find the unknown factor. 4 × ★ = 28

(a)  

Find the unknown factor. 56 = 7 × ▮

(a)  

Find the unknown factor. 9 = 9 × a

(a)  

Find the unknown factor. c × 4 = 36

(a)  

Find the unknown factor. 5 × y = 40

(a)  

Hailey plants 9 rows of marigolds. Each row has 6 marigolds. How many marigolds does Hailey plant in all?

A meeting room has 8 rows of chairs. Each row has 10 chairs. The first people to arrive fill 2 rows. How many chairs are not filled?