الفصل الأول

# مراجعة شاملة نهائية رياضيات صف خامس فصل أول

مرفق لكم مراجعة شاملة نهائية رياضيات صف خامس فصل أول مناهج الامارات

### معلومات المذكرة

• نوع الملف: ملف مراجعة
• المادة: رياضيات
• الصف: الخامس
• الفصل الدراسي: الفصل الاول
• صيغة الملف: pdf متاح للتحميل

### Lesson Part 1: Estimate Quotients

1. Estimate by rounding. Show how you rounded.
a. 932 – 10
b. 312:9
C. 620 + 13
d. 790 = 18

2. Estimate by using compatible numbers. Show how you rounded.
a. 237:21
b. 747:52
C. 864 42
d. 454 +48

3. There are 782 students in a school. The school wants to divide the students into groups with 78
students in each group. About how many groups will there be? Find the estimate by rounding.

4. An office has 478 pens that they want to divide equally among 24 rooms. About how many pens
will be in each room? Find the estimate by using compatible numbers.

### Lesson Part 2: Divide by a Two-Digit Divisor

1. Divide. Check for reasonableness.

a. 803 + 11 =
b. 966 = 42 =
C. 648 – 24 =
d. 868 = 31 =

2. Rana bought 23 gifts for each of her classmates. She had AED 713, if she paid the same amount of
money for each gift. How much did each gift cost and did she have any money left over?

### Lesson Part 3: Adjust the Quotient

1,453 ÷ 32 =…a

b…..= 3,624 ÷ 48

C. …..=6,784 ÷ 57

d……= 258 ÷ 27

### Questions: Lesson Part 1: Estimate Products of Whole Numbers and Decimals

1. Estimate each product.
a.19.7 x 4
b. 6.2 x 5
c. 6 x AED 4.86

2. Estimate each product by rounding the two numbers.
a. 18.2 x 9.8
b. AED 37.62 x 9

3. Ahmed earns AED 41.25 a day. After 11 days, about how much will he have earned?

### Lesson Part 2: Multiply Decimals by Whole Numbers

1. Multiply.
a. 4 x 7.8
b. 3.6 x 9

2. Find each unknown.
a. 5 x 8.5 = x
b. 6 x 27.3 = k

### Lesson Part 3: Multiply Decimals

1. Multiply. Check for reasonableness.
a. 5.6 x 0.8
b. 4.6 x 2.9

2. Find each unknown.
a.0.5 x 8.4 = x
b.1.6 x 37.8 = k

3.Dana uses 18.4 centimeters of wire to make a bracelet. To make a necklace, she uses 7.6 times the
amount of wire used for a bracelet. How much wire does she use to make a necklace?

1. Multiply.
a. 0.54 x 10 =
b. 2.3 x 100 =

C. 45.67 x 103=

### Lesson Part 5: Multiplication Properties

1. Choose the correct multiplication property that is being used.
a. ( 43 x 5) x 20 = 43 x ( 5x 20)
b. 67 x 1 = 67
C. 85 x 49 = 49 x 85

2.Use properties of multiplication to find each product mentally. Show your steps and identify the properties that you used.
a. (3.4 x 2) × 50 =
b. (9.7 x 50) × 20 =

3. Find the unknown in each equation. Write which property you used.
a. 29.7x[= 29.7
b. 56 x 87 = 87 U
C. (7,5 x 4) * 5 =U
(4 x 5) ——-

4. A cleaning company buys 4 cases of paper towels. Each case contains 7 packages of paper towels.
Each package contains 5 rolls of paper towels. How many rolls of paper towels did the company buy?

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