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    四年級(jí)數(shù)學(xué)強(qiáng)化訓(xùn)練(第一學(xué)期)

    2022-11-23 04:52:50河南鄭州市惠濟(jì)區(qū)實(shí)驗(yàn)小學(xué)張世超
    瘋狂英語(yǔ)(雙語(yǔ)世界) 2022年3期
    關(guān)鍵詞:惠濟(jì)強(qiáng)化訓(xùn)練鄭州市

    河南鄭州市惠濟(jì)區(qū)實(shí)驗(yàn)小學(xué) 張世超

    I.Calculate.

    6 × 800 =

    520 × 30 =

    80 × 80 =

    35 × 50 =

    60 × 30 =

    150 × 6 =

    4 × 210 =

    70 × 90 =

    240 ÷ 60 =

    640 ÷ 8 =

    25 × 40 =

    810 ÷ 30 =

    8 × 70 =

    180 × 70 =

    720 ÷ 8 =

    42 × 70 =

    80 × 50 =

    650 ÷ 5 =

    125 × 8 =

    20 × 35 =

    480 ÷ 24 =

    560 ÷ 70 =

    6 ×230 =

    420 ÷ 30 =

    II.Write the following numbers in standard form.

    560 thousands, 2 hundreds ____________________

    430 thousands, 5 hundreds, 4 ones ____________________

    320 thousands, 7 hundreds, 8 ones ____________________

    700 thousands, 8 tens ____________________

    670 thousands, 5 ones ____________________

    8,000,000 + 600,000 + 4,000 + 100 ____________________

    2,000,000 + 300,000 + 9,000 + 80 ____________________

    7,000,000 + 50,000 + 8,000 ____________________

    III.Fill in the blanks.

    5,973 is ________ when rounded to the nearest hundred.

    61,830 is _________ when rounded to the nearest thousand.

    __________ is 7 less than 4.

    __________ is 8 more than 9.

    8 less than 6 is __________.

    12 more than 14 is __________.

    78,500 = 78 __________ , 5 _________.

    80,006 = __________ thousands, __________ones.

    ________ is 1 more than 999,999 and _______ is 1 less than 999,999.

    76,548 = ________ thousands, ________ hundreds, ________

    tens, ________ ones.

    IV.Use distributive property of multiplication to make the following calculations.

    28 × 5 + 22 × 5

    (25 + 300) × 4

    33 × 17 + 67 × 17

    35 × (72 × 2)

    (125 × 11) × 8

    25 × 5 × 4 × 8

    V.Find the value.

    [(36 × 120) + (1520 ÷ 95)]–132

    784 ÷ 56 + 736 ÷ (288 ÷ 18)

    [3692–(54 × 26)] ÷ 16

    989–[(65 × 18) + 60] ÷ 15

    VI.Solve the problems.

    1.The temperature was -8℃.It rises by 10℃.What is the temperature now?

    2.A bookstore bought 45 boxes of books.There were 235 books in each box.How many books did the bookstore buy?

    3.A company spent ¥ 3,240 on 40 computers.How much did each computer cost?

    4.A concert ticket cost ¥ 45 for an adult and ¥ 30 for a student.A total of ¥ 6,075 was collected from the sale of adult tickets and a total of ¥ 4,020 from the sale of students tickets.How many people attended the concert?

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